Finding the Fourth Proportional to 10,315.11, 15,488.46 and 9,092.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,315.11 : 15,488.46 = 9,092.82 : x
2. Step 2: Convert to fraction form
   10,315.11/15,488.46 = 9,092.82/x
3. Step 3: Cross multiply
   10,315.11x = 15,488.46 × 9,092.82
4. Step 4: Simplify right side
   10,315.11x = 140,833,778.86
5. Step 5: Solve for x
   x = 140,833,778.86/10,315.11
6. Step 6: Final answer
   x = 13,653.15