Finding the Fourth Proportional to 1,934.16, 2,900.52 and 960.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.16 : 2,900.52 = 960.72 : x
2. Step 2: Convert to fraction form
   1,934.16/2,900.52 = 960.72/x
3. Step 3: Cross multiply
   1,934.16x = 2,900.52 × 960.72
4. Step 4: Simplify right side
   1,934.16x = 2,786,587.57
5. Step 5: Solve for x
   x = 2,786,587.57/1,934.16
6. Step 6: Final answer
   x = 1,440.72