Finding the Fourth Proportional to 11,086.52, 15,301.30 and 10,588.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.52 : 15,301.30 = 10,588.28 : x
2. Step 2: Convert to fraction form
   11,086.52/15,301.30 = 10,588.28/x
3. Step 3: Cross multiply
   11,086.52x = 15,301.30 × 10,588.28
4. Step 4: Simplify right side
   11,086.52x = 162,014,448.76
5. Step 5: Solve for x
   x = 162,014,448.76/11,086.52
6. Step 6: Final answer
   x = 14,613.64