Finding the Fourth Proportional to 2,320.86, 3,480.84 and 1,003.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.86 : 3,480.84 = 1,003.83 : x
2. Step 2: Convert to fraction form
   2,320.86/3,480.84 = 1,003.83/x
3. Step 3: Cross multiply
   2,320.86x = 3,480.84 × 1,003.83
4. Step 4: Simplify right side
   2,320.86x = 3,494,171.62
5. Step 5: Solve for x
   x = 3,494,171.62/2,320.86
6. Step 6: Final answer
   x = 1,505.55