Finding the Fourth Proportional to 2,552.79, 3,522.90 and 1,433.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.79 : 3,522.90 = 1,433.81 : x
2. Step 2: Convert to fraction form
   2,552.79/3,522.90 = 1,433.81/x
3. Step 3: Cross multiply
   2,552.79x = 3,522.90 × 1,433.81
4. Step 4: Simplify right side
   2,552.79x = 5,051,151.63
5. Step 5: Solve for x
   x = 5,051,151.63/2,552.79
6. Step 6: Final answer
   x = 1,978.68