Finding the Fourth Proportional to 200,617,168.55, 300,582,702.71 and 156,881,038.17

Step by Step Solution

1. Step 1: Write the proportion equation
   200,617,168.55 : 300,582,702.71 = 156,881,038.17 : x
2. Step 2: Convert to fraction form
   200,617,168.55/300,582,702.71 = 156,881,038.17/x
3. Step 3: Cross multiply
   200,617,168.55x = 300,582,702.71 × 156,881,038.17
4. Step 4: Simplify right side
   200,617,168.55x = 47,155,726,457,089,264
5. Step 5: Solve for x
   x = 47,155,726,457,089,264/200,617,168.55
6. Step 6: Final answer
   x = 235,053,294.79