Finding the Fourth Proportional to 2,175.34, 3,002.49 and 1,430.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.34 : 3,002.49 = 1,430.32 : x
2. Step 2: Convert to fraction form
   2,175.34/3,002.49 = 1,430.32/x
3. Step 3: Cross multiply
   2,175.34x = 3,002.49 × 1,430.32
4. Step 4: Simplify right side
   2,175.34x = 4,294,527.87
5. Step 5: Solve for x
   x = 4,294,527.87/2,175.34
6. Step 6: Final answer
   x = 1,974.18