Finding the Fourth Proportional to 2,488.52, 3,731.42 and 1,026.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.52 : 3,731.42 = 1,026.88 : x
2. Step 2: Convert to fraction form
   2,488.52/3,731.42 = 1,026.88/x
3. Step 3: Cross multiply
   2,488.52x = 3,731.42 × 1,026.88
4. Step 4: Simplify right side
   2,488.52x = 3,831,708.03
5. Step 5: Solve for x
   x = 3,831,708.03/2,488.52
6. Step 6: Final answer
   x = 1,539.75