Finding the Fourth Proportional to 64,496.83, 96,630.67 and 55,040.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,496.83 : 96,630.67 = 55,040.89 : x
2. Step 2: Convert to fraction form
   64,496.83/96,630.67 = 55,040.89/x
3. Step 3: Cross multiply
   64,496.83x = 96,630.67 × 55,040.89
4. Step 4: Simplify right side
   64,496.83x = 5,318,638,078.10
5. Step 5: Solve for x
   x = 5,318,638,078.10/64,496.83
6. Step 6: Final answer
   x = 82,463.56