Finding the Fourth Proportional to 1,552.10, 2,142.22 and 984.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.10 : 2,142.22 = 984.56 : x
2. Step 2: Convert to fraction form
   1,552.10/2,142.22 = 984.56/x
3. Step 3: Cross multiply
   1,552.10x = 2,142.22 × 984.56
4. Step 4: Simplify right side
   1,552.10x = 2,109,147.02
5. Step 5: Solve for x
   x = 2,109,147.02/1,552.10
6. Step 6: Final answer
   x = 1,358.90