Finding the Fourth Proportional to 2,356.77, 3,535.89 and 970.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.77 : 3,535.89 = 970.76 : x
2. Step 2: Convert to fraction form
   2,356.77/3,535.89 = 970.76/x
3. Step 3: Cross multiply
   2,356.77x = 3,535.89 × 970.76
4. Step 4: Simplify right side
   2,356.77x = 3,432,504.02
5. Step 5: Solve for x
   x = 3,432,504.02/2,356.77
6. Step 6: Final answer
   x = 1,456.44