Finding the Fourth Proportional to 2,802.55, 4,203.55 and 953.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.55 : 4,203.55 = 953.42 : x
2. Step 2: Convert to fraction form
   2,802.55/4,203.55 = 953.42/x
3. Step 3: Cross multiply
   2,802.55x = 4,203.55 × 953.42
4. Step 4: Simplify right side
   2,802.55x = 4,007,747.10
5. Step 5: Solve for x
   x = 4,007,747.10/2,802.55
6. Step 6: Final answer
   x = 1,430.04