Finding the Fourth Proportional to 111,326.88, 153,778.32 and 82,983.36

Step by Step Solution

1. Step 1: Write the proportion equation
   111,326.88 : 153,778.32 = 82,983.36 : x
2. Step 2: Convert to fraction form
   111,326.88/153,778.32 = 82,983.36/x
3. Step 3: Cross multiply
   111,326.88x = 153,778.32 × 82,983.36
4. Step 4: Simplify right side
   111,326.88x = 12,761,041,688.76
5. Step 5: Solve for x
   x = 12,761,041,688.76/111,326.88
6. Step 6: Final answer
   x = 114,626.78