Finding the Fourth Proportional to 65,695.02, 90,659.22 and 37,400.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,695.02 : 90,659.22 = 37,400.72 : x
2. Step 2: Convert to fraction form
   65,695.02/90,659.22 = 37,400.72/x
3. Step 3: Cross multiply
   65,695.02x = 90,659.22 × 37,400.72
4. Step 4: Simplify right side
   65,695.02x = 3,390,720,102.64
5. Step 5: Solve for x
   x = 3,390,720,102.64/65,695.02
6. Step 6: Final answer
   x = 51,613.05