Finding the Fourth Proportional to 55,142.40, 82,747.62 and 25,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,142.40 : 82,747.62 = 25,554.72 : x
2. Step 2: Convert to fraction form
   55,142.40/82,747.62 = 25,554.72/x
3. Step 3: Cross multiply
   55,142.40x = 82,747.62 × 25,554.72
4. Step 4: Simplify right side
   55,142.40x = 2,114,592,259.77
5. Step 5: Solve for x
   x = 2,114,592,259.77/55,142.40
6. Step 6: Final answer
   x = 38,347.85