Finding the Fourth Proportional to 2,359.05, 3,535.51 and 970.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.05 : 3,535.51 = 970.81 : x
2. Step 2: Convert to fraction form
   2,359.05/3,535.51 = 970.81/x
3. Step 3: Cross multiply
   2,359.05x = 3,535.51 × 970.81
4. Step 4: Simplify right side
   2,359.05x = 3,432,308.46
5. Step 5: Solve for x
   x = 3,432,308.46/2,359.05
6. Step 6: Final answer
   x = 1,454.95