Finding the Fourth Proportional to 2,152.92, 2,970.06 and 1,268.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.92 : 2,970.06 = 1,268.31 : x
2. Step 2: Convert to fraction form
   2,152.92/2,970.06 = 1,268.31/x
3. Step 3: Cross multiply
   2,152.92x = 2,970.06 × 1,268.31
4. Step 4: Simplify right side
   2,152.92x = 3,766,956.80
5. Step 5: Solve for x
   x = 3,766,956.80/2,152.92
6. Step 6: Final answer
   x = 1,749.70