Finding the Fourth Proportional to 2,354.57, 3,531.83 and 1,430.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.57 : 3,531.83 = 1,430.38 : x
2. Step 2: Convert to fraction form
   2,354.57/3,531.83 = 1,430.38/x
3. Step 3: Cross multiply
   2,354.57x = 3,531.83 × 1,430.38
4. Step 4: Simplify right side
   2,354.57x = 5,051,843.01
5. Step 5: Solve for x
   x = 5,051,843.01/2,354.57
6. Step 6: Final answer
   x = 2,145.55