Finding the Fourth Proportional to 2,730.17, 4,075.39 and 2,527.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.17 : 4,075.39 = 2,527.31 : x
2. Step 2: Convert to fraction form
   2,730.17/4,075.39 = 2,527.31/x
3. Step 3: Cross multiply
   2,730.17x = 4,075.39 × 2,527.31
4. Step 4: Simplify right side
   2,730.17x = 10,299,773.90
5. Step 5: Solve for x
   x = 10,299,773.90/2,730.17
6. Step 6: Final answer
   x = 3,772.58