Finding the Fourth Proportional to 82,978.99, 114,493.83 and 48,517.09

Step by Step Solution

1. Step 1: Write the proportion equation
   82,978.99 : 114,493.83 = 48,517.09 : x
2. Step 2: Convert to fraction form
   82,978.99/114,493.83 = 48,517.09/x
3. Step 3: Cross multiply
   82,978.99x = 114,493.83 × 48,517.09
4. Step 4: Simplify right side
   82,978.99x = 5,554,907,454.55
5. Step 5: Solve for x
   x = 5,554,907,454.55/82,978.99
6. Step 6: Final answer
   x = 66,943.54