Finding the Fourth Proportional to 68,078.57, 101,658.89 and 55,623.20

Step by Step Solution

1. Step 1: Write the proportion equation
   68,078.57 : 101,658.89 = 55,623.20 : x
2. Step 2: Convert to fraction form
   68,078.57/101,658.89 = 55,623.20/x
3. Step 3: Cross multiply
   68,078.57x = 101,658.89 × 55,623.20
4. Step 4: Simplify right side
   68,078.57x = 5,654,592,401.01
5. Step 5: Solve for x
   x = 5,654,592,401.01/68,078.57
6. Step 6: Final answer
   x = 83,059.81