Finding the Fourth Proportional to 10,925.91, 16,391.61 and 3,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925.91 : 16,391.61 = 3,134.72 : x
2. Step 2: Convert to fraction form
   10,925.91/16,391.61 = 3,134.72/x
3. Step 3: Cross multiply
   10,925.91x = 16,391.61 × 3,134.72
4. Step 4: Simplify right side
   10,925.91x = 51,383,148.68
5. Step 5: Solve for x
   x = 51,383,148.68/10,925.91
6. Step 6: Final answer
   x = 4,702.87