Finding the Fourth Proportional to 111,022.72, 153,027.84 and 82,718.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,022.72 : 153,027.84 = 82,718.08 : x
2. Step 2: Convert to fraction form
   111,022.72/153,027.84 = 82,718.08/x
3. Step 3: Cross multiply
   111,022.72x = 153,027.84 × 82,718.08
4. Step 4: Simplify right side
   111,022.72x = 12,658,169,111.35
5. Step 5: Solve for x
   x = 12,658,169,111.35/111,022.72
6. Step 6: Final answer
   x = 114,014.22