Finding the Fourth Proportional to 65,595.12, 98,429.12 and 40,648.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,595.12 : 98,429.12 = 40,648.72 : x
2. Step 2: Convert to fraction form
   65,595.12/98,429.12 = 40,648.72/x
3. Step 3: Cross multiply
   65,595.12x = 98,429.12 × 40,648.72
4. Step 4: Simplify right side
   65,595.12x = 4,001,017,738.73
5. Step 5: Solve for x
   x = 4,001,017,738.73/65,595.12
6. Step 6: Final answer
   x = 60,995.66