Finding the Fourth Proportional to 1,807.20, 2,493.64 and 1,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.20 : 2,493.64 = 1,061 : x
2. Step 2: Convert to fraction form
   1,807.20/2,493.64 = 1,061/x
3. Step 3: Cross multiply
   1,807.20x = 2,493.64 × 1,061
4. Step 4: Simplify right side
   1,807.20x = 2,645,752.04
5. Step 5: Solve for x
   x = 2,645,752.04/1,807.20
6. Step 6: Final answer
   x = 1,464.01