Finding the Fourth Proportional to 65,658.12, 90,585.72 and 37,356.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,658.12 : 90,585.72 = 37,356.72 : x
2. Step 2: Convert to fraction form
   65,658.12/90,585.72 = 37,356.72/x
3. Step 3: Cross multiply
   65,658.12x = 90,585.72 × 37,356.72
4. Step 4: Simplify right side
   65,658.12x = 3,383,985,378.04
5. Step 5: Solve for x
   x = 3,383,985,378.04/65,658.12
6. Step 6: Final answer
   x = 51,539.48