Finding the Fourth Proportional to 65,747.88, 90,735.72 and 37,448.16

Step by Step Solution

1. Step 1: Write the proportion equation
   65,747.88 : 90,735.72 = 37,448.16 : x
2. Step 2: Convert to fraction form
   65,747.88/90,735.72 = 37,448.16/x
3. Step 3: Cross multiply
   65,747.88x = 90,735.72 × 37,448.16
4. Step 4: Simplify right side
   65,747.88x = 3,397,885,760.28
5. Step 5: Solve for x
   x = 3,397,885,760.28/65,747.88
6. Step 6: Final answer
   x = 51,680.54