Finding the Fourth Proportional to 65,161.12, 89,922.72 and 35,353.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,161.12 : 89,922.72 = 35,353.12 : x
2. Step 2: Convert to fraction form
   65,161.12/89,922.72 = 35,353.12/x
3. Step 3: Cross multiply
   65,161.12x = 89,922.72 × 35,353.12
4. Step 4: Simplify right side
   65,161.12x = 3,179,048,710.89
5. Step 5: Solve for x
   x = 3,179,048,710.89/65,161.12
6. Step 6: Final answer
   x = 48,787.51