Finding the Fourth Proportional to 65,648.98, 90,606.67 and 38,049.55

Step by Step Solution

1. Step 1: Write the proportion equation
   65,648.98 : 90,606.67 = 38,049.55 : x
2. Step 2: Convert to fraction form
   65,648.98/90,606.67 = 38,049.55/x
3. Step 3: Cross multiply
   65,648.98x = 90,606.67 × 38,049.55
4. Step 4: Simplify right side
   65,648.98x = 3,447,542,698.86
5. Step 5: Solve for x
   x = 3,447,542,698.86/65,648.98
6. Step 6: Final answer
   x = 52,514.79