Finding the Fourth Proportional to 2,356.89, 3,535.74 and 970.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.89 : 3,535.74 = 970.98 : x
2. Step 2: Convert to fraction form
   2,356.89/3,535.74 = 970.98/x
3. Step 3: Cross multiply
   2,356.89x = 3,535.74 × 970.98
4. Step 4: Simplify right side
   2,356.89x = 3,433,132.83
5. Step 5: Solve for x
   x = 3,433,132.83/2,356.89
6. Step 6: Final answer
   x = 1,456.64