Finding the Fourth Proportional to 2,565.61, 3,845.85 and 1,003.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565.61 : 3,845.85 = 1,003.47 : x
2. Step 2: Convert to fraction form
   2,565.61/3,845.85 = 1,003.47/x
3. Step 3: Cross multiply
   2,565.61x = 3,845.85 × 1,003.47
4. Step 4: Simplify right side
   2,565.61x = 3,859,195.10
5. Step 5: Solve for x
   x = 3,859,195.10/2,565.61
6. Step 6: Final answer
   x = 1,504.20