Finding the Fourth Proportional to 42,320.48, 58,400.88 and 25,550.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,320.48 : 58,400.88 = 25,550.56 : x
2. Step 2: Convert to fraction form
   42,320.48/58,400.88 = 25,550.56/x
3. Step 3: Cross multiply
   42,320.48x = 58,400.88 × 25,550.56
4. Step 4: Simplify right side
   42,320.48x = 1,492,175,188.49
5. Step 5: Solve for x
   x = 1,492,175,188.49/42,320.48
6. Step 6: Final answer
   x = 35,258.94