Finding the Fourth Proportional to 45,705,447.50, 68,557,377.18 and 18,411,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,705,447.50 : 68,557,377.18 = 18,411,042.50 : x
2. Step 2: Convert to fraction form
   45,705,447.50/68,557,377.18 = 18,411,042.50/x
3. Step 3: Cross multiply
   45,705,447.50x = 68,557,377.18 × 18,411,042.50
4. Step 4: Simplify right side
   45,705,447.50x = 1,262,212,784,949,510.25
5. Step 5: Solve for x
   x = 1,262,212,784,949,510.25/45,705,447.50
6. Step 6: Final answer
   x = 27,616,243.88