Finding the Fourth Proportional to 111,253.52, 153,524.28 and 65,982.80

Step by Step Solution

1. Step 1: Write the proportion equation
   111,253.52 : 153,524.28 = 65,982.80 : x
2. Step 2: Convert to fraction form
   111,253.52/153,524.28 = 65,982.80/x
3. Step 3: Cross multiply
   111,253.52x = 153,524.28 × 65,982.80
4. Step 4: Simplify right side
   111,253.52x = 10,129,961,862.38
5. Step 5: Solve for x
   x = 10,129,961,862.38/111,253.52
6. Step 6: Final answer
   x = 91,052.96