Finding the Fourth Proportional to 76,016.88, 104,932.56 and 68,045.04

Step by Step Solution

1. Step 1: Write the proportion equation
   76,016.88 : 104,932.56 = 68,045.04 : x
2. Step 2: Convert to fraction form
   76,016.88/104,932.56 = 68,045.04/x
3. Step 3: Cross multiply
   76,016.88x = 104,932.56 × 68,045.04
4. Step 4: Simplify right side
   76,016.88x = 7,140,140,242.50
5. Step 5: Solve for x
   x = 7,140,140,242.50/76,016.88
6. Step 6: Final answer
   x = 93,928.35