Finding the Fourth Proportional to 1,914.33, 2,872.56 and 1,036.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.33 : 2,872.56 = 1,036.80 : x
2. Step 2: Convert to fraction form
   1,914.33/2,872.56 = 1,036.80/x
3. Step 3: Cross multiply
   1,914.33x = 2,872.56 × 1,036.80
4. Step 4: Simplify right side
   1,914.33x = 2,978,274.10
5. Step 5: Solve for x
   x = 2,978,274.10/1,914.33
6. Step 6: Final answer
   x = 1,555.78