Finding the Fourth Proportional to 1,956.78, 2,700.27 and 1,072.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.78 : 2,700.27 = 1,072.62 : x
2. Step 2: Convert to fraction form
   1,956.78/2,700.27 = 1,072.62/x
3. Step 3: Cross multiply
   1,956.78x = 2,700.27 × 1,072.62
4. Step 4: Simplify right side
   1,956.78x = 2,896,363.61
5. Step 5: Solve for x
   x = 2,896,363.61/1,956.78
6. Step 6: Final answer
   x = 1,480.17