Finding the Fourth Proportional to 2,066.47, 2,851.65 and 1,122.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.47 : 2,851.65 = 1,122.24 : x
2. Step 2: Convert to fraction form
   2,066.47/2,851.65 = 1,122.24/x
3. Step 3: Cross multiply
   2,066.47x = 2,851.65 × 1,122.24
4. Step 4: Simplify right side
   2,066.47x = 3,200,224.83
5. Step 5: Solve for x
   x = 3,200,224.83/2,066.47
6. Step 6: Final answer
   x = 1,548.64