Finding the Fourth Proportional to 10,800.35, 16,160.12 and 7,687.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,800.35 : 16,160.12 = 7,687.52 : x
2. Step 2: Convert to fraction form
   10,800.35/16,160.12 = 7,687.52/x
3. Step 3: Cross multiply
   10,800.35x = 16,160.12 × 7,687.52
4. Step 4: Simplify right side
   10,800.35x = 124,231,245.70
5. Step 5: Solve for x
   x = 124,231,245.70/10,800.35
6. Step 6: Final answer
   x = 11,502.52