Finding the Fourth Proportional to 111,304.60, 153,593.82 and 65,986.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,304.60 : 153,593.82 = 65,986.92 : x
2. Step 2: Convert to fraction form
   111,304.60/153,593.82 = 65,986.92/x
3. Step 3: Cross multiply
   111,304.60x = 153,593.82 × 65,986.92
4. Step 4: Simplify right side
   111,304.60x = 10,135,183,112.83
5. Step 5: Solve for x
   x = 10,135,183,112.83/111,304.60
6. Step 6: Final answer
   x = 91,058.08