Finding the Fourth Proportional to 2,152.16, 2,970.01 and 1,255.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.16 : 2,970.01 = 1,255.88 : x
2. Step 2: Convert to fraction form
   2,152.16/2,970.01 = 1,255.88/x
3. Step 3: Cross multiply
   2,152.16x = 2,970.01 × 1,255.88
4. Step 4: Simplify right side
   2,152.16x = 3,729,976.16
5. Step 5: Solve for x
   x = 3,729,976.16/2,152.16
6. Step 6: Final answer
   x = 1,733.13