Finding the Fourth Proportional to 2,299.57, 3,173.91 and 1,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299.57 : 3,173.91 = 1,403.50 : x
2. Step 2: Convert to fraction form
   2,299.57/3,173.91 = 1,403.50/x
3. Step 3: Cross multiply
   2,299.57x = 3,173.91 × 1,403.50
4. Step 4: Simplify right side
   2,299.57x = 4,454,582.69
5. Step 5: Solve for x
   x = 4,454,582.69/2,299.57
6. Step 6: Final answer
   x = 1,937.14