Finding the Fourth Proportional to 64,233.43, 88,583.46 and 55,155.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,233.43 : 88,583.46 = 55,155.89 : x
2. Step 2: Convert to fraction form
   64,233.43/88,583.46 = 55,155.89/x
3. Step 3: Cross multiply
   64,233.43x = 88,583.46 × 55,155.89
4. Step 4: Simplify right side
   64,233.43x = 4,885,899,575.58
5. Step 5: Solve for x
   x = 4,885,899,575.58/64,233.43
6. Step 6: Final answer
   x = 76,064.75