Finding the Fourth Proportional to 2,488.56, 3,730.60 and 1,026.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.56 : 3,730.60 = 1,026.76 : x
2. Step 2: Convert to fraction form
   2,488.56/3,730.60 = 1,026.76/x
3. Step 3: Cross multiply
   2,488.56x = 3,730.60 × 1,026.76
4. Step 4: Simplify right side
   2,488.56x = 3,830,430.86
5. Step 5: Solve for x
   x = 3,830,430.86/2,488.56
6. Step 6: Final answer
   x = 1,539.22