Finding the Fourth Proportional to 42,687.90, 58,910.72 and 24,781.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,687.90 : 58,910.72 = 24,781.82 : x
2. Step 2: Convert to fraction form
   42,687.90/58,910.72 = 24,781.82/x
3. Step 3: Cross multiply
   42,687.90x = 58,910.72 × 24,781.82
4. Step 4: Simplify right side
   42,687.90x = 1,459,914,440.65
5. Step 5: Solve for x
   x = 1,459,914,440.65/42,687.90
6. Step 6: Final answer
   x = 34,199.72