Finding the Fourth Proportional to 83,815.31, 115,665.98 and 48,004.54

Step by Step Solution

1. Step 1: Write the proportion equation
   83,815.31 : 115,665.98 = 48,004.54 : x
2. Step 2: Convert to fraction form
   83,815.31/115,665.98 = 48,004.54/x
3. Step 3: Cross multiply
   83,815.31x = 115,665.98 × 48,004.54
4. Step 4: Simplify right side
   83,815.31x = 5,552,491,634.36
5. Step 5: Solve for x
   x = 5,552,491,634.36/83,815.31
6. Step 6: Final answer
   x = 66,246.75