Finding the Fourth Proportional to 2,553.22, 3,523.46 and 1,434.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.22 : 3,523.46 = 1,434.18 : x
2. Step 2: Convert to fraction form
   2,553.22/3,523.46 = 1,434.18/x
3. Step 3: Cross multiply
   2,553.22x = 3,523.46 × 1,434.18
4. Step 4: Simplify right side
   2,553.22x = 5,053,275.86
5. Step 5: Solve for x
   x = 5,053,275.86/2,553.22
6. Step 6: Final answer
   x = 1,979.18