Finding the Fourth Proportional to 10,618.88, 15,932.64 and 3,693.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.88 : 15,932.64 = 3,693.92 : x
2. Step 2: Convert to fraction form
   10,618.88/15,932.64 = 3,693.92/x
3. Step 3: Cross multiply
   10,618.88x = 15,932.64 × 3,693.92
4. Step 4: Simplify right side
   10,618.88x = 58,853,897.55
5. Step 5: Solve for x
   x = 58,853,897.55/10,618.88
6. Step 6: Final answer
   x = 5,542.38