Finding the Fourth Proportional to 1,932.72, 2,667.96 and 1,294.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.72 : 2,667.96 = 1,294.80 : x
2. Step 2: Convert to fraction form
   1,932.72/2,667.96 = 1,294.80/x
3. Step 3: Cross multiply
   1,932.72x = 2,667.96 × 1,294.80
4. Step 4: Simplify right side
   1,932.72x = 3,454,474.61
5. Step 5: Solve for x
   x = 3,454,474.61/1,932.72
6. Step 6: Final answer
   x = 1,787.36