Finding the Fourth Proportional to 111,240.52, 153,469.55 and 82,238.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,240.52 : 153,469.55 = 82,238.52 : x
2. Step 2: Convert to fraction form
   111,240.52/153,469.55 = 82,238.52/x
3. Step 3: Cross multiply
   111,240.52x = 153,469.55 × 82,238.52
4. Step 4: Simplify right side
   111,240.52x = 12,621,108,657.07
5. Step 5: Solve for x
   x = 12,621,108,657.07/111,240.52
6. Step 6: Final answer
   x = 113,457.84