Finding the Fourth Proportional to 187,582.72, 281,401.80 and 54,445.72

Step by Step Solution

1. Step 1: Write the proportion equation
   187,582.72 : 281,401.80 = 54,445.72 : x
2. Step 2: Convert to fraction form
   187,582.72/281,401.80 = 54,445.72/x
3. Step 3: Cross multiply
   187,582.72x = 281,401.80 × 54,445.72
4. Step 4: Simplify right side
   187,582.72x = 15,321,123,610.30
5. Step 5: Solve for x
   x = 15,321,123,610.30/187,582.72
6. Step 6: Final answer
   x = 81,676.63