Finding the Fourth Proportional to 10,863.27, 14,991.53 and 7,088.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,863.27 : 14,991.53 = 7,088.85 : x
2. Step 2: Convert to fraction form
   10,863.27/14,991.53 = 7,088.85/x
3. Step 3: Cross multiply
   10,863.27x = 14,991.53 × 7,088.85
4. Step 4: Simplify right side
   10,863.27x = 106,272,672.00
5. Step 5: Solve for x
   x = 106,272,672.00/10,863.27
6. Step 6: Final answer
   x = 9,782.75