Finding the Fourth Proportional to 65,559.12, 98,163.72 and 34,328.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,559.12 : 98,163.72 = 34,328.72 : x
2. Step 2: Convert to fraction form
   65,559.12/98,163.72 = 34,328.72/x
3. Step 3: Cross multiply
   65,559.12x = 98,163.72 × 34,328.72
4. Step 4: Simplify right side
   65,559.12x = 3,369,834,858.04
5. Step 5: Solve for x
   x = 3,369,834,858.04/65,559.12
6. Step 6: Final answer
   x = 51,401.47