Finding the Fourth Proportional to 2,152.69, 2,970.60 and 1,268.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.69 : 2,970.60 = 1,268.57 : x
2. Step 2: Convert to fraction form
   2,152.69/2,970.60 = 1,268.57/x
3. Step 3: Cross multiply
   2,152.69x = 2,970.60 × 1,268.57
4. Step 4: Simplify right side
   2,152.69x = 3,768,414.04
5. Step 5: Solve for x
   x = 3,768,414.04/2,152.69
6. Step 6: Final answer
   x = 1,750.56