Finding the Fourth Proportional to 1,433.97, 2,152.17 and 1,069.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.97 : 2,152.17 = 1,069.47 : x
2. Step 2: Convert to fraction form
   1,433.97/2,152.17 = 1,069.47/x
3. Step 3: Cross multiply
   1,433.97x = 2,152.17 × 1,069.47
4. Step 4: Simplify right side
   1,433.97x = 2,301,681.25
5. Step 5: Solve for x
   x = 2,301,681.25/1,433.97
6. Step 6: Final answer
   x = 1,605.11