Finding the Fourth Proportional to 2,793.15, 4,189.59 and 1,038.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,793.15 : 4,189.59 = 1,038.15 : x
2. Step 2: Convert to fraction form
   2,793.15/4,189.59 = 1,038.15/x
3. Step 3: Cross multiply
   2,793.15x = 4,189.59 × 1,038.15
4. Step 4: Simplify right side
   2,793.15x = 4,349,422.86
5. Step 5: Solve for x
   x = 4,349,422.86/2,793.15
6. Step 6: Final answer
   x = 1,557.17