Finding the Fourth Proportional to 3,456.56, 5,181.18 and 2,530.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.56 : 5,181.18 = 2,530.73 : x
2. Step 2: Convert to fraction form
   3,456.56/5,181.18 = 2,530.73/x
3. Step 3: Cross multiply
   3,456.56x = 5,181.18 × 2,530.73
4. Step 4: Simplify right side
   3,456.56x = 13,112,141.76
5. Step 5: Solve for x
   x = 13,112,141.76/3,456.56
6. Step 6: Final answer
   x = 3,793.41