Finding the Fourth Proportional to 11,500.10, 15,865.98 and 7,523.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,500.10 : 15,865.98 = 7,523.48 : x
2. Step 2: Convert to fraction form
   11,500.10/15,865.98 = 7,523.48/x
3. Step 3: Cross multiply
   11,500.10x = 15,865.98 × 7,523.48
4. Step 4: Simplify right side
   11,500.10x = 119,367,383.21
5. Step 5: Solve for x
   x = 119,367,383.21/11,500.10
6. Step 6: Final answer
   x = 10,379.68