Finding the Fourth Proportional to 42,621.30, 58,824.72 and 24,721.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,621.30 : 58,824.72 = 24,721.92 : x
2. Step 2: Convert to fraction form
   42,621.30/58,824.72 = 24,721.92/x
3. Step 3: Cross multiply
   42,621.30x = 58,824.72 × 24,721.92
4. Step 4: Simplify right side
   42,621.30x = 1,454,260,021.86
5. Step 5: Solve for x
   x = 1,454,260,021.86/42,621.30
6. Step 6: Final answer
   x = 34,120.50