Finding the Fourth Proportional to 42,088.46, 62,859.77 and 38,131.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,088.46 : 62,859.77 = 38,131.81 : x
2. Step 2: Convert to fraction form
   42,088.46/62,859.77 = 38,131.81/x
3. Step 3: Cross multiply
   42,088.46x = 62,859.77 × 38,131.81
4. Step 4: Simplify right side
   42,088.46x = 2,396,956,615.62
5. Step 5: Solve for x
   x = 2,396,956,615.62/42,088.46
6. Step 6: Final answer
   x = 56,950.45