Finding the Fourth Proportional to 42,371.74, 58,474.83 and 25,378.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,371.74 : 58,474.83 = 25,378.75 : x
2. Step 2: Convert to fraction form
   42,371.74/58,474.83 = 25,378.75/x
3. Step 3: Cross multiply
   42,371.74x = 58,474.83 × 25,378.75
4. Step 4: Simplify right side
   42,371.74x = 1,484,018,091.86
5. Step 5: Solve for x
   x = 1,484,018,091.86/42,371.74
6. Step 6: Final answer
   x = 35,023.77