Finding the Fourth Proportional to 2,168.47, 2,994.22 and 2,002.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.47 : 2,994.22 = 2,002.62 : x
2. Step 2: Convert to fraction form
   2,168.47/2,994.22 = 2,002.62/x
3. Step 3: Cross multiply
   2,168.47x = 2,994.22 × 2,002.62
4. Step 4: Simplify right side
   2,168.47x = 5,996,287.32
5. Step 5: Solve for x
   x = 5,996,287.32/2,168.47
6. Step 6: Final answer
   x = 2,765.21