Finding the Fourth Proportional to 1,956.89, 2,700.48 and 1,072.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.89 : 2,700.48 = 1,072.69 : x
2. Step 2: Convert to fraction form
   1,956.89/2,700.48 = 1,072.69/x
3. Step 3: Cross multiply
   1,956.89x = 2,700.48 × 1,072.69
4. Step 4: Simplify right side
   1,956.89x = 2,896,787.32
5. Step 5: Solve for x
   x = 2,896,787.32/1,956.89
6. Step 6: Final answer
   x = 1,480.30