Finding the Fourth Proportional to 11,023.09, 15,213.72 and 10,658.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,023.09 : 15,213.72 = 10,658.59 : x
2. Step 2: Convert to fraction form
   11,023.09/15,213.72 = 10,658.59/x
3. Step 3: Cross multiply
   11,023.09x = 15,213.72 × 10,658.59
4. Step 4: Simplify right side
   11,023.09x = 162,156,803.85
5. Step 5: Solve for x
   x = 162,156,803.85/11,023.09
6. Step 6: Final answer
   x = 14,710.65