Finding the Fourth Proportional to 2,317.83, 3,199.20 and 1,433.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.83 : 3,199.20 = 1,433.12 : x
2. Step 2: Convert to fraction form
   2,317.83/3,199.20 = 1,433.12/x
3. Step 3: Cross multiply
   2,317.83x = 3,199.20 × 1,433.12
4. Step 4: Simplify right side
   2,317.83x = 4,584,821.51
5. Step 5: Solve for x
   x = 4,584,821.51/2,317.83
6. Step 6: Final answer
   x = 1,978.07