Finding the Fourth Proportional to 65,322.28, 90,144.72 and 35,514.28

Step by Step Solution

1. Step 1: Write the proportion equation
   65,322.28 : 90,144.72 = 35,514.28 : x
2. Step 2: Convert to fraction form
   65,322.28/90,144.72 = 35,514.28/x
3. Step 3: Cross multiply
   65,322.28x = 90,144.72 × 35,514.28
4. Step 4: Simplify right side
   65,322.28x = 3,201,424,826.60
5. Step 5: Solve for x
   x = 3,201,424,826.60/65,322.28
6. Step 6: Final answer
   x = 49,009.69