Finding the Fourth Proportional to 45,624,355,061,560, 68,464,681,846,696 and 21,142,612,636,018

Step by Step Solution

1. Step 1: Write the proportion equation
   45,624,355,061,560 : 68,464,681,846,696 = 21,142,612,636,018 : x
2. Step 2: Convert to fraction form
   45,624,355,061,560/68,464,681,846,696 = 21,142,612,636,018/x
3. Step 3: Cross multiply
   45,624,355,061,560x = 68,464,681,846,696 × 21,142,612,636,018
4. Step 4: Simplify right side
   45,624,355,061,560x = 1,447,522,247,532,906,934,299,525,120
5. Step 5: Solve for x
   x = 1,447,522,247,532,906,934,299,525,120/45,624,355,061,560
6. Step 6: Final answer
   x = 31,726,963,495,260.26