Finding the Fourth Proportional to 2,500.48, 3,749.58 and 1,038.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.48 : 3,749.58 = 1,038.76 : x
2. Step 2: Convert to fraction form
   2,500.48/3,749.58 = 1,038.76/x
3. Step 3: Cross multiply
   2,500.48x = 3,749.58 × 1,038.76
4. Step 4: Simplify right side
   2,500.48x = 3,894,913.72
5. Step 5: Solve for x
   x = 3,894,913.72/2,500.48
6. Step 6: Final answer
   x = 1,557.67