Finding the Fourth Proportional to 1,940.35, 2,677.71 and 1,056.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.35 : 2,677.71 = 1,056.15 : x
2. Step 2: Convert to fraction form
   1,940.35/2,677.71 = 1,056.15/x
3. Step 3: Cross multiply
   1,940.35x = 2,677.71 × 1,056.15
4. Step 4: Simplify right side
   1,940.35x = 2,828,063.42
5. Step 5: Solve for x
   x = 2,828,063.42/1,940.35
6. Step 6: Final answer
   x = 1,457.51