Finding the Fourth Proportional to 25,109.28, 37,642.38 and 10,308.96

Step by Step Solution

1. Step 1: Write the proportion equation
   25,109.28 : 37,642.38 = 10,308.96 : x
2. Step 2: Convert to fraction form
   25,109.28/37,642.38 = 10,308.96/x
3. Step 3: Cross multiply
   25,109.28x = 37,642.38 × 10,308.96
4. Step 4: Simplify right side
   25,109.28x = 388,053,789.72
5. Step 5: Solve for x
   x = 388,053,789.72/25,109.28
6. Step 6: Final answer
   x = 15,454.60