Finding the Fourth Proportional to 10,631.56, 14,672.28 and 5,915.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,631.56 : 14,672.28 = 5,915.92 : x
2. Step 2: Convert to fraction form
   10,631.56/14,672.28 = 5,915.92/x
3. Step 3: Cross multiply
   10,631.56x = 14,672.28 × 5,915.92
4. Step 4: Simplify right side
   10,631.56x = 86,800,034.70
5. Step 5: Solve for x
   x = 86,800,034.70/10,631.56
6. Step 6: Final answer
   x = 8,164.37