Finding the Fourth Proportional to 42,578.79, 58,755.90 and 24,670.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,578.79 : 58,755.90 = 24,670.61 : x
2. Step 2: Convert to fraction form
   42,578.79/58,755.90 = 24,670.61/x
3. Step 3: Cross multiply
   42,578.79x = 58,755.90 × 24,670.61
4. Step 4: Simplify right side
   42,578.79x = 1,449,543,476.97
5. Step 5: Solve for x
   x = 1,449,543,476.97/42,578.79
6. Step 6: Final answer
   x = 34,043.79