Finding the Fourth Proportional to 65,469.64, 90,348.72 and 37,175.92

Step by Step Solution

1. Step 1: Write the proportion equation
   65,469.64 : 90,348.72 = 37,175.92 : x
2. Step 2: Convert to fraction form
   65,469.64/90,348.72 = 37,175.92/x
3. Step 3: Cross multiply
   65,469.64x = 90,348.72 × 37,175.92
4. Step 4: Simplify right side
   65,469.64x = 3,358,796,786.82
5. Step 5: Solve for x
   x = 3,358,796,786.82/65,469.64
6. Step 6: Final answer
   x = 51,303.12