Finding the Fourth Proportional to 11,631.52, 16,057.46 and 7,874.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,631.52 : 16,057.46 = 7,874.56 : x
2. Step 2: Convert to fraction form
   11,631.52/16,057.46 = 7,874.56/x
3. Step 3: Cross multiply
   11,631.52x = 16,057.46 × 7,874.56
4. Step 4: Simplify right side
   11,631.52x = 126,445,432.22
5. Step 5: Solve for x
   x = 126,445,432.22/11,631.52
6. Step 6: Final answer
   x = 10,870.93