Finding the Fourth Proportional to 157,566.32, 217,443.40 and 93,940.72

Step by Step Solution

1. Step 1: Write the proportion equation
   157,566.32 : 217,443.40 = 93,940.72 : x
2. Step 2: Convert to fraction form
   157,566.32/217,443.40 = 93,940.72/x
3. Step 3: Cross multiply
   157,566.32x = 217,443.40 × 93,940.72
4. Step 4: Simplify right side
   157,566.32x = 20,426,789,555.25
5. Step 5: Solve for x
   x = 20,426,789,555.25/157,566.32
6. Step 6: Final answer
   x = 129,639.31