Finding the Fourth Proportional to 65,086.16, 97,629.76 and 42,615.78

Step by Step Solution

1. Step 1: Write the proportion equation
   65,086.16 : 97,629.76 = 42,615.78 : x
2. Step 2: Convert to fraction form
   65,086.16/97,629.76 = 42,615.78/x
3. Step 3: Cross multiply
   65,086.16x = 97,629.76 × 42,615.78
4. Step 4: Simplify right side
   65,086.16x = 4,160,568,373.61
5. Step 5: Solve for x
   x = 4,160,568,373.61/65,086.16
6. Step 6: Final answer
   x = 63,924.01