Finding the Fourth Proportional to 1,940.52, 2,677.89 and 1,056.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.52 : 2,677.89 = 1,056.33 : x
2. Step 2: Convert to fraction form
   1,940.52/2,677.89 = 1,056.33/x
3. Step 3: Cross multiply
   1,940.52x = 2,677.89 × 1,056.33
4. Step 4: Simplify right side
   1,940.52x = 2,828,735.54
5. Step 5: Solve for x
   x = 2,828,735.54/1,940.52
6. Step 6: Final answer
   x = 1,457.72