Finding the Fourth Proportional to 3,654.72, 5,475.60 and 2,541.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.72 : 5,475.60 = 2,541.78 : x
2. Step 2: Convert to fraction form
   3,654.72/5,475.60 = 2,541.78/x
3. Step 3: Cross multiply
   3,654.72x = 5,475.60 × 2,541.78
4. Step 4: Simplify right side
   3,654.72x = 13,917,770.57
5. Step 5: Solve for x
   x = 13,917,770.57/3,654.72
6. Step 6: Final answer
   x = 3,808.16