Finding the Fourth Proportional to 65,645.88, 90,590.06 and 37,350.92

Step by Step Solution

1. Step 1: Write the proportion equation
   65,645.88 : 90,590.06 = 37,350.92 : x
2. Step 2: Convert to fraction form
   65,645.88/90,590.06 = 37,350.92/x
3. Step 3: Cross multiply
   65,645.88x = 90,590.06 × 37,350.92
4. Step 4: Simplify right side
   65,645.88x = 3,383,622,083.86
5. Step 5: Solve for x
   x = 3,383,622,083.86/65,645.88
6. Step 6: Final answer
   x = 51,543.56