Finding the Fourth Proportional to 13,308.56, 18,363.52 and 8,532.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308.56 : 18,363.52 = 8,532.68 : x
2. Step 2: Convert to fraction form
   13,308.56/18,363.52 = 8,532.68/x
3. Step 3: Cross multiply
   13,308.56x = 18,363.52 × 8,532.68
4. Step 4: Simplify right side
   13,308.56x = 156,690,039.83
5. Step 5: Solve for x
   x = 156,690,039.83/13,308.56
6. Step 6: Final answer
   x = 11,773.63