Finding the Fourth Proportional to 2,358.79, 3,535.55 and 970.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,358.79 : 3,535.55 = 970.45 : x
2. Step 2: Convert to fraction form
   2,358.79/3,535.55 = 970.45/x
3. Step 3: Cross multiply
   2,358.79x = 3,535.55 × 970.45
4. Step 4: Simplify right side
   2,358.79x = 3,431,064.45
5. Step 5: Solve for x
   x = 3,431,064.45/2,358.79
6. Step 6: Final answer
   x = 1,454.59