Finding the Fourth Proportional to 42,120.24, 58,100.76 and 25,350

Step by Step Solution

1. Step 1: Write the proportion equation
   42,120.24 : 58,100.76 = 25,350 : x
2. Step 2: Convert to fraction form
   42,120.24/58,100.76 = 25,350/x
3. Step 3: Cross multiply
   42,120.24x = 58,100.76 × 25,350
4. Step 4: Simplify right side
   42,120.24x = 1,472,854,266
5. Step 5: Solve for x
   x = 1,472,854,266/42,120.24
6. Step 6: Final answer
   x = 34,967.85