Finding the Fourth Proportional to 2,152.39, 2,970.51 and 1,268.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.39 : 2,970.51 = 1,268.48 : x
2. Step 2: Convert to fraction form
   2,152.39/2,970.51 = 1,268.48/x
3. Step 3: Cross multiply
   2,152.39x = 2,970.51 × 1,268.48
4. Step 4: Simplify right side
   2,152.39x = 3,768,032.52
5. Step 5: Solve for x
   x = 3,768,032.52/2,152.39
6. Step 6: Final answer
   x = 1,750.63