Finding the Fourth Proportional to 65,477.12, 98,098.24 and 39,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,477.12 : 98,098.24 = 39,784.72 : x
2. Step 2: Convert to fraction form
   65,477.12/98,098.24 = 39,784.72/x
3. Step 3: Cross multiply
   65,477.12x = 98,098.24 × 39,784.72
4. Step 4: Simplify right side
   65,477.12x = 3,902,811,010.89
5. Step 5: Solve for x
   x = 3,902,811,010.89/65,477.12
6. Step 6: Final answer
   x = 59,605.72