Finding the Fourth Proportional to 82,738.68, 124,087.59 and 38,322.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,738.68 : 124,087.59 = 38,322.78 : x
2. Step 2: Convert to fraction form
   82,738.68/124,087.59 = 38,322.78/x
3. Step 3: Cross multiply
   82,738.68x = 124,087.59 × 38,322.78
4. Step 4: Simplify right side
   82,738.68x = 4,755,381,412.30
5. Step 5: Solve for x
   x = 4,755,381,412.30/82,738.68
6. Step 6: Final answer
   x = 57,474.71