Finding the Fourth Proportional to 25,003.59, 34,505.83 and 14,939.74

Step by Step Solution

1. Step 1: Write the proportion equation
   25,003.59 : 34,505.83 = 14,939.74 : x
2. Step 2: Convert to fraction form
   25,003.59/34,505.83 = 14,939.74/x
3. Step 3: Cross multiply
   25,003.59x = 34,505.83 × 14,939.74
4. Step 4: Simplify right side
   25,003.59x = 515,508,128.68
5. Step 5: Solve for x
   x = 515,508,128.68/25,003.59
6. Step 6: Final answer
   x = 20,617.36