Finding the Fourth Proportional to 65,561.49, 98,267.81 and 57,648.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,561.49 : 98,267.81 = 57,648.69 : x
2. Step 2: Convert to fraction form
   65,561.49/98,267.81 = 57,648.69/x
3. Step 3: Cross multiply
   65,561.49x = 98,267.81 × 57,648.69
4. Step 4: Simplify right side
   65,561.49x = 5,665,010,227.43
5. Step 5: Solve for x
   x = 5,665,010,227.43/65,561.49
6. Step 6: Final answer
   x = 86,407.59