Finding the Fourth Proportional to 11,516.43, 15,901.92 and 7,485.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,516.43 : 15,901.92 = 7,485.27 : x
2. Step 2: Convert to fraction form
   11,516.43/15,901.92 = 7,485.27/x
3. Step 3: Cross multiply
   11,516.43x = 15,901.92 × 7,485.27
4. Step 4: Simplify right side
   11,516.43x = 119,030,164.72
5. Step 5: Solve for x
   x = 119,030,164.72/11,516.43
6. Step 6: Final answer
   x = 10,335.68