Finding the Fourth Proportional to 42,687.72, 58,909.86 and 24,784.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,687.72 : 58,909.86 = 24,784.20 : x
2. Step 2: Convert to fraction form
   42,687.72/58,909.86 = 24,784.20/x
3. Step 3: Cross multiply
   42,687.72x = 58,909.86 × 24,784.20
4. Step 4: Simplify right side
   42,687.72x = 1,460,033,752.21
5. Step 5: Solve for x
   x = 1,460,033,752.21/42,687.72
6. Step 6: Final answer
   x = 34,202.66