Finding the Fourth Proportional to 10,587.52, 14,610.72 and 6,111.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,587.52 : 14,610.72 = 6,111.20 : x
2. Step 2: Convert to fraction form
   10,587.52/14,610.72 = 6,111.20/x
3. Step 3: Cross multiply
   10,587.52x = 14,610.72 × 6,111.20
4. Step 4: Simplify right side
   10,587.52x = 89,289,032.06
5. Step 5: Solve for x
   x = 89,289,032.06/10,587.52
6. Step 6: Final answer
   x = 8,433.42