Finding the Fourth Proportional to 9,553.60, 14,313.46 and 8,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,553.60 : 14,313.46 = 8,152.72 : x
2. Step 2: Convert to fraction form
   9,553.60/14,313.46 = 8,152.72/x
3. Step 3: Cross multiply
   9,553.60x = 14,313.46 × 8,152.72
4. Step 4: Simplify right side
   9,553.60x = 116,693,631.61
5. Step 5: Solve for x
   x = 116,693,631.61/9,553.60
6. Step 6: Final answer
   x = 12,214.62