Finding the Fourth Proportional to 1,807.49, 2,494.28 and 1,061.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.49 : 2,494.28 = 1,061.43 : x
2. Step 2: Convert to fraction form
   1,807.49/2,494.28 = 1,061.43/x
3. Step 3: Cross multiply
   1,807.49x = 2,494.28 × 1,061.43
4. Step 4: Simplify right side
   1,807.49x = 2,647,503.62
5. Step 5: Solve for x
   x = 2,647,503.62/1,807.49
6. Step 6: Final answer
   x = 1,464.74