Finding the Fourth Proportional to 65,271.33, 90,090.77 and 40,106.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,271.33 : 90,090.77 = 40,106.25 : x
2. Step 2: Convert to fraction form
   65,271.33/90,090.77 = 40,106.25/x
3. Step 3: Cross multiply
   65,271.33x = 90,090.77 × 40,106.25
4. Step 4: Simplify right side
   65,271.33x = 3,613,202,743.78
5. Step 5: Solve for x
   x = 3,613,202,743.78/65,271.33
6. Step 6: Final answer
   x = 55,356.66