Finding the Fourth Proportional to 2,434.80, 3,653.76 and 955.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.80 : 3,653.76 = 955.20 : x
2. Step 2: Convert to fraction form
   2,434.80/3,653.76 = 955.20/x
3. Step 3: Cross multiply
   2,434.80x = 3,653.76 × 955.20
4. Step 4: Simplify right side
   2,434.80x = 3,490,071.55
5. Step 5: Solve for x
   x = 3,490,071.55/2,434.80
6. Step 6: Final answer
   x = 1,433.41