Finding the Fourth Proportional to 64,123.52, 88,488.63 and 35,829.20

Step by Step Solution

1. Step 1: Write the proportion equation
   64,123.52 : 88,488.63 = 35,829.20 : x
2. Step 2: Convert to fraction form
   64,123.52/88,488.63 = 35,829.20/x
3. Step 3: Cross multiply
   64,123.52x = 88,488.63 × 35,829.20
4. Step 4: Simplify right side
   64,123.52x = 3,170,476,379.55
5. Step 5: Solve for x
   x = 3,170,476,379.55/64,123.52
6. Step 6: Final answer
   x = 49,443.27