Finding the Fourth Proportional to 1,807.30, 2,493.88 and 1,061.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.30 : 2,493.88 = 1,061.43 : x
2. Step 2: Convert to fraction form
   1,807.30/2,493.88 = 1,061.43/x
3. Step 3: Cross multiply
   1,807.30x = 2,493.88 × 1,061.43
4. Step 4: Simplify right side
   1,807.30x = 2,647,079.05
5. Step 5: Solve for x
   x = 2,647,079.05/1,807.30
6. Step 6: Final answer
   x = 1,464.66