Finding the Fourth Proportional to 11,128.74, 16,682.01 and 5,565.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,128.74 : 16,682.01 = 5,565.10 : x
2. Step 2: Convert to fraction form
   11,128.74/16,682.01 = 5,565.10/x
3. Step 3: Cross multiply
   11,128.74x = 16,682.01 × 5,565.10
4. Step 4: Simplify right side
   11,128.74x = 92,837,053.85
5. Step 5: Solve for x
   x = 92,837,053.85/11,128.74
6. Step 6: Final answer
   x = 8,342.10