Finding the Fourth Proportional to 65,693.24, 90,634.02 and 37,391.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,693.24 : 90,634.02 = 37,391.72 : x
2. Step 2: Convert to fraction form
   65,693.24/90,634.02 = 37,391.72/x
3. Step 3: Cross multiply
   65,693.24x = 90,634.02 × 37,391.72
4. Step 4: Simplify right side
   65,693.24x = 3,388,961,898.31
5. Step 5: Solve for x
   x = 3,388,961,898.31/65,693.24
6. Step 6: Final answer
   x = 51,587.68