Finding the Fourth Proportional to 1,900.28, 2,622.42 and 1,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.28 : 2,622.42 = 1,061 : x
2. Step 2: Convert to fraction form
   1,900.28/2,622.42 = 1,061/x
3. Step 3: Cross multiply
   1,900.28x = 2,622.42 × 1,061
4. Step 4: Simplify right side
   1,900.28x = 2,782,387.62
5. Step 5: Solve for x
   x = 2,782,387.62/1,900.28
6. Step 6: Final answer
   x = 1,464.20