Finding the Fourth Proportional to 82,339.42, 113,615.49 and 47,891.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,339.42 : 113,615.49 = 47,891.78 : x
2. Step 2: Convert to fraction form
   82,339.42/113,615.49 = 47,891.78/x
3. Step 3: Cross multiply
   82,339.42x = 113,615.49 × 47,891.78
4. Step 4: Simplify right side
   82,339.42x = 5,441,247,606.83
5. Step 5: Solve for x
   x = 5,441,247,606.83/82,339.42
6. Step 6: Final answer
   x = 66,083.14