Finding the Fourth Proportional to 1,940.19, 2,677.46 and 1,055.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.19 : 2,677.46 = 1,055.99 : x
2. Step 2: Convert to fraction form
   1,940.19/2,677.46 = 1,055.99/x
3. Step 3: Cross multiply
   1,940.19x = 2,677.46 × 1,055.99
4. Step 4: Simplify right side
   1,940.19x = 2,827,380.32
5. Step 5: Solve for x
   x = 2,827,380.32/1,940.19
6. Step 6: Final answer
   x = 1,457.27