Finding the Fourth Proportional to 64,123.50, 88,488.78 and 35,829.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,123.50 : 88,488.78 = 35,829.42 : x
2. Step 2: Convert to fraction form
   64,123.50/88,488.78 = 35,829.42/x
3. Step 3: Cross multiply
   64,123.50x = 88,488.78 × 35,829.42
4. Step 4: Simplify right side
   64,123.50x = 3,170,501,663.91
5. Step 5: Solve for x
   x = 3,170,501,663.91/64,123.50
6. Step 6: Final answer
   x = 49,443.68