Finding the Fourth Proportional to 2,025.57, 3,038.33 and 913.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.57 : 3,038.33 = 913.68 : x
2. Step 2: Convert to fraction form
   2,025.57/3,038.33 = 913.68/x
3. Step 3: Cross multiply
   2,025.57x = 3,038.33 × 913.68
4. Step 4: Simplify right side
   2,025.57x = 2,776,056.79
5. Step 5: Solve for x
   x = 2,776,056.79/2,025.57
6. Step 6: Final answer
   x = 1,370.51