Finding the Fourth Proportional to 1,803.74, 2,706.64 and 1,112.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803.74 : 2,706.64 = 1,112.10 : x
2. Step 2: Convert to fraction form
   1,803.74/2,706.64 = 1,112.10/x
3. Step 3: Cross multiply
   1,803.74x = 2,706.64 × 1,112.10
4. Step 4: Simplify right side
   1,803.74x = 3,010,067.38
5. Step 5: Solve for x
   x = 3,010,067.38/1,803.74
6. Step 6: Final answer
   x = 1,668.79