Finding the Fourth Proportional to 10,614.30, 15,921.72 and 5,931.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,614.30 : 15,921.72 = 5,931.69 : x
2. Step 2: Convert to fraction form
   10,614.30/15,921.72 = 5,931.69/x
3. Step 3: Cross multiply
   10,614.30x = 15,921.72 × 5,931.69
4. Step 4: Simplify right side
   10,614.30x = 94,442,707.31
5. Step 5: Solve for x
   x = 94,442,707.31/10,614.30
6. Step 6: Final answer
   x = 8,897.69