Finding the Fourth Proportional to 657,217.50, 985,826.34 and 158,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   657,217.50 : 985,826.34 = 158,581.50 : x
2. Step 2: Convert to fraction form
   657,217.50/985,826.34 = 158,581.50/x
3. Step 3: Cross multiply
   657,217.50x = 985,826.34 × 158,581.50
4. Step 4: Simplify right side
   657,217.50x = 156,333,819,736.71
5. Step 5: Solve for x
   x = 156,333,819,736.71/657,217.50
6. Step 6: Final answer
   x = 237,872.27