Finding the Fourth Proportional to 82,340.42, 113,616.87 and 47,892.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,340.42 : 113,616.87 = 47,892.78 : x
2. Step 2: Convert to fraction form
   82,340.42/113,616.87 = 47,892.78/x
3. Step 3: Cross multiply
   82,340.42x = 113,616.87 × 47,892.78
4. Step 4: Simplify right side
   82,340.42x = 5,441,427,759.20
5. Step 5: Solve for x
   x = 5,441,427,759.20/82,340.42
6. Step 6: Final answer
   x = 66,084.53