Finding the Fourth Proportional to 10,488.48, 15,732.96 and 5,291.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488.48 : 15,732.96 = 5,291.52 : x
2. Step 2: Convert to fraction form
   10,488.48/15,732.96 = 5,291.52/x
3. Step 3: Cross multiply
   10,488.48x = 15,732.96 × 5,291.52
4. Step 4: Simplify right side
   10,488.48x = 83,251,272.50
5. Step 5: Solve for x
   x = 83,251,272.50/10,488.48
6. Step 6: Final answer
   x = 7,937.40