Finding the Fourth Proportional to 1,445.22, 2,168.65 and 1,433.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.22 : 2,168.65 = 1,433.47 : x
2. Step 2: Convert to fraction form
   1,445.22/2,168.65 = 1,433.47/x
3. Step 3: Cross multiply
   1,445.22x = 2,168.65 × 1,433.47
4. Step 4: Simplify right side
   1,445.22x = 3,108,694.72
5. Step 5: Solve for x
   x = 3,108,694.72/1,445.22
6. Step 6: Final answer
   x = 2,151.03