Finding the Fourth Proportional to 11,058.50, 16,587.72 and 9,106.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,058.50 : 16,587.72 = 9,106.59 : x
2. Step 2: Convert to fraction form
   11,058.50/16,587.72 = 9,106.59/x
3. Step 3: Cross multiply
   11,058.50x = 16,587.72 × 9,106.59
4. Step 4: Simplify right side
   11,058.50x = 151,057,565.07
5. Step 5: Solve for x
   x = 151,057,565.07/11,058.50
6. Step 6: Final answer
   x = 13,659.87