Finding the Fourth Proportional to 78,809.31, 118,172.22 and 34,384.17

Step by Step Solution

1. Step 1: Write the proportion equation
   78,809.31 : 118,172.22 = 34,384.17 : x
2. Step 2: Convert to fraction form
   78,809.31/118,172.22 = 34,384.17/x
3. Step 3: Cross multiply
   78,809.31x = 118,172.22 × 34,384.17
4. Step 4: Simplify right side
   78,809.31x = 4,063,253,701.76
5. Step 5: Solve for x
   x = 4,063,253,701.76/78,809.31
6. Step 6: Final answer
   x = 51,558.04