Finding the Fourth Proportional to 1,495.84, 2,064.72 and 1,447.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.84 : 2,064.72 = 1,447.20 : x
2. Step 2: Convert to fraction form
   1,495.84/2,064.72 = 1,447.20/x
3. Step 3: Cross multiply
   1,495.84x = 2,064.72 × 1,447.20
4. Step 4: Simplify right side
   1,495.84x = 2,988,062.78
5. Step 5: Solve for x
   x = 2,988,062.78/1,495.84
6. Step 6: Final answer
   x = 1,997.58