Finding the Fourth Proportional to 83,892.45, 115,776.58 and 48,084.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,892.45 : 115,776.58 = 48,084.78 : x
2. Step 2: Convert to fraction form
   83,892.45/115,776.58 = 48,084.78/x
3. Step 3: Cross multiply
   83,892.45x = 115,776.58 × 48,084.78
4. Step 4: Simplify right side
   83,892.45x = 5,567,091,378.45
5. Step 5: Solve for x
   x = 5,567,091,378.45/83,892.45
6. Step 6: Final answer
   x = 66,359.86