Finding the Fourth Proportional to 10,925.59, 16,387.96 and 3,134.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925.59 : 16,387.96 = 3,134.40 : x
2. Step 2: Convert to fraction form
   10,925.59/16,387.96 = 3,134.40/x
3. Step 3: Cross multiply
   10,925.59x = 16,387.96 × 3,134.40
4. Step 4: Simplify right side
   10,925.59x = 51,366,421.82
5. Step 5: Solve for x
   x = 51,366,421.82/10,925.59
6. Step 6: Final answer
   x = 4,701.48