Finding the Fourth Proportional to 181,540.89, 272,311.29 and 55,182.15

Step by Step Solution

1. Step 1: Write the proportion equation
   181,540.89 : 272,311.29 = 55,182.15 : x
2. Step 2: Convert to fraction form
   181,540.89/272,311.29 = 55,182.15/x
3. Step 3: Cross multiply
   181,540.89x = 272,311.29 × 55,182.15
4. Step 4: Simplify right side
   181,540.89x = 15,026,722,451.47
5. Step 5: Solve for x
   x = 15,026,722,451.47/181,540.89
6. Step 6: Final answer
   x = 82,773.21