Finding the Fourth Proportional to 142,918,243.71, 214,387,612.12 and 59,836,390.62

Step by Step Solution

1. Step 1: Write the proportion equation
   142,918,243.71 : 214,387,612.12 = 59,836,390.62 : x
2. Step 2: Convert to fraction form
   142,918,243.71/214,387,612.12 = 59,836,390.62/x
3. Step 3: Cross multiply
   142,918,243.71x = 214,387,612.12 × 59,836,390.62
4. Step 4: Simplify right side
   142,918,243.71x = 12,828,180,903,209,400
5. Step 5: Solve for x
   x = 12,828,180,903,209,400/142,918,243.71
6. Step 6: Final answer
   x = 89,758,875.91