Finding the Fourth Proportional to 2,757.06, 4,131.17 and 2,477.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,757.06 : 4,131.17 = 2,477.30 : x
2. Step 2: Convert to fraction form
   2,757.06/4,131.17 = 2,477.30/x
3. Step 3: Cross multiply
   2,757.06x = 4,131.17 × 2,477.30
4. Step 4: Simplify right side
   2,757.06x = 10,234,153.63
5. Step 5: Solve for x
   x = 10,234,153.63/2,757.06
6. Step 6: Final answer
   x = 3,711.98