Finding the Fourth Proportional to 42,766.62, 63,723.68 and 38,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,766.62 : 63,723.68 = 38,111.10 : x
2. Step 2: Convert to fraction form
   42,766.62/63,723.68 = 38,111.10/x
3. Step 3: Cross multiply
   42,766.62x = 63,723.68 × 38,111.10
4. Step 4: Simplify right side
   42,766.62x = 2,428,579,350.29
5. Step 5: Solve for x
   x = 2,428,579,350.29/42,766.62
6. Step 6: Final answer
   x = 56,786.80