Finding the Fourth Proportional to 64,494.83, 96,627.67 and 55,038.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,494.83 : 96,627.67 = 55,038.89 : x
2. Step 2: Convert to fraction form
   64,494.83/96,627.67 = 55,038.89/x
3. Step 3: Cross multiply
   64,494.83x = 96,627.67 × 55,038.89
4. Step 4: Simplify right side
   64,494.83x = 5,318,279,458.52
5. Step 5: Solve for x
   x = 5,318,279,458.52/64,494.83
6. Step 6: Final answer
   x = 82,460.56