Finding the Fourth Proportional to 25,005.38, 34,507.42 and 14,398.43

Step by Step Solution

1. Step 1: Write the proportion equation
   25,005.38 : 34,507.42 = 14,398.43 : x
2. Step 2: Convert to fraction form
   25,005.38/34,507.42 = 14,398.43/x
3. Step 3: Cross multiply
   25,005.38x = 34,507.42 × 14,398.43
4. Step 4: Simplify right side
   25,005.38x = 496,852,462.82
5. Step 5: Solve for x
   x = 496,852,462.82/25,005.38
6. Step 6: Final answer
   x = 19,869.83