Finding the Fourth Proportional to 10,542.50, 15,816.18 and 3,617

Step by Step Solution

1. Step 1: Write the proportion equation
   10,542.50 : 15,816.18 = 3,617 : x
2. Step 2: Convert to fraction form
   10,542.50/15,816.18 = 3,617/x
3. Step 3: Cross multiply
   10,542.50x = 15,816.18 × 3,617
4. Step 4: Simplify right side
   10,542.50x = 57,207,123.06
5. Step 5: Solve for x
   x = 57,207,123.06/10,542.50
6. Step 6: Final answer
   x = 5,426.33