Finding the Fourth Proportional to 1,940.53, 2,677.89 and 1,056.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.53 : 2,677.89 = 1,056.34 : x
2. Step 2: Convert to fraction form
   1,940.53/2,677.89 = 1,056.34/x
3. Step 3: Cross multiply
   1,940.53x = 2,677.89 × 1,056.34
4. Step 4: Simplify right side
   1,940.53x = 2,828,762.32
5. Step 5: Solve for x
   x = 2,828,762.32/1,940.53
6. Step 6: Final answer
   x = 1,457.73