Finding the Fourth Proportional to 11,056.28, 15,263.32 and 8,532.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,056.28 : 15,263.32 = 8,532.72 : x
2. Step 2: Convert to fraction form
   11,056.28/15,263.32 = 8,532.72/x
3. Step 3: Cross multiply
   11,056.28x = 15,263.32 × 8,532.72
4. Step 4: Simplify right side
   11,056.28x = 130,237,635.83
5. Step 5: Solve for x
   x = 130,237,635.83/11,056.28
6. Step 6: Final answer
   x = 11,779.52