Finding the Fourth Proportional to 2,267.47, 3,403.02 and 1,172.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.47 : 3,403.02 = 1,172.15 : x
2. Step 2: Convert to fraction form
   2,267.47/3,403.02 = 1,172.15/x
3. Step 3: Cross multiply
   2,267.47x = 3,403.02 × 1,172.15
4. Step 4: Simplify right side
   2,267.47x = 3,988,849.89
5. Step 5: Solve for x
   x = 3,988,849.89/2,267.47
6. Step 6: Final answer
   x = 1,759.17