Finding the Fourth Proportional to 2,353.79, 3,530.45 and 1,429.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.79 : 3,530.45 = 1,429.10 : x
2. Step 2: Convert to fraction form
   2,353.79/3,530.45 = 1,429.10/x
3. Step 3: Cross multiply
   2,353.79x = 3,530.45 × 1,429.10
4. Step 4: Simplify right side
   2,353.79x = 5,045,341.30
5. Step 5: Solve for x
   x = 5,045,341.30/2,353.79
6. Step 6: Final answer
   x = 2,143.50