Finding the Fourth Proportional to 2,355.03, 3,530.79 and 1,430.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.03 : 3,530.79 = 1,430.42 : x
2. Step 2: Convert to fraction form
   2,355.03/3,530.79 = 1,430.42/x
3. Step 3: Cross multiply
   2,355.03x = 3,530.79 × 1,430.42
4. Step 4: Simplify right side
   2,355.03x = 5,050,494.98
5. Step 5: Solve for x
   x = 5,050,494.98/2,355.03
6. Step 6: Final answer
   x = 2,144.56