Finding the Fourth Proportional to 65,884.18, 98,790.72 and 34,216.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,884.18 : 98,790.72 = 34,216.12 : x
2. Step 2: Convert to fraction form
   65,884.18/98,790.72 = 34,216.12/x
3. Step 3: Cross multiply
   65,884.18x = 98,790.72 × 34,216.12
4. Step 4: Simplify right side
   65,884.18x = 3,380,234,636.45
5. Step 5: Solve for x
   x = 3,380,234,636.45/65,884.18
6. Step 6: Final answer
   x = 51,305.71