Finding the Fourth Proportional to 3,753.30, 5,181.76 and 2,576.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.30 : 5,181.76 = 2,576.10 : x
2. Step 2: Convert to fraction form
   3,753.30/5,181.76 = 2,576.10/x
3. Step 3: Cross multiply
   3,753.30x = 5,181.76 × 2,576.10
4. Step 4: Simplify right side
   3,753.30x = 13,348,731.94
5. Step 5: Solve for x
   x = 13,348,731.94/3,753.30
6. Step 6: Final answer
   x = 3,556.53