Finding the Fourth Proportional to 65,168.09, 89,931.92 and 35,360.09

Step by Step Solution

1. Step 1: Write the proportion equation
   65,168.09 : 89,931.92 = 35,360.09 : x
2. Step 2: Convert to fraction form
   65,168.09/89,931.92 = 35,360.09/x
3. Step 3: Cross multiply
   65,168.09x = 89,931.92 × 35,360.09
4. Step 4: Simplify right side
   65,168.09x = 3,180,000,158.61
5. Step 5: Solve for x
   x = 3,180,000,158.61/65,168.09
6. Step 6: Final answer
   x = 48,796.89