Finding the Fourth Proportional to 42,150.72, 58,149.72 and 25,374

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150.72 : 58,149.72 = 25,374 : x
2. Step 2: Convert to fraction form
   42,150.72/58,149.72 = 25,374/x
3. Step 3: Cross multiply
   42,150.72x = 58,149.72 × 25,374
4. Step 4: Simplify right side
   42,150.72x = 1,475,490,995.28
5. Step 5: Solve for x
   x = 1,475,490,995.28/42,150.72
6. Step 6: Final answer
   x = 35,005.12