Finding the Fourth Proportional to 81,049.32, 111,714.18 and 54,182.03

Step by Step Solution

1. Step 1: Write the proportion equation
   81,049.32 : 111,714.18 = 54,182.03 : x
2. Step 2: Convert to fraction form
   81,049.32/111,714.18 = 54,182.03/x
3. Step 3: Cross multiply
   81,049.32x = 111,714.18 × 54,182.03
4. Step 4: Simplify right side
   81,049.32x = 6,052,900,493.61
5. Step 5: Solve for x
   x = 6,052,900,493.61/81,049.32
6. Step 6: Final answer
   x = 74,681.69