Finding the Fourth Proportional to 157,597, 217,454.12 and 93,940.72

Step by Step Solution

1. Step 1: Write the proportion equation
   157,597 : 217,454.12 = 93,940.72 : x
2. Step 2: Convert to fraction form
   157,597/217,454.12 = 93,940.72/x
3. Step 3: Cross multiply
   157,597x = 217,454.12 × 93,940.72
4. Step 4: Simplify right side
   157,597x = 20,427,796,599.77
5. Step 5: Solve for x
   x = 20,427,796,599.77/157,597
6. Step 6: Final answer
   x = 129,620.47