Finding the Fourth Proportional to 2,997.12, 4,134.54 and 2,002.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,997.12 : 4,134.54 = 2,002.71 : x
2. Step 2: Convert to fraction form
   2,997.12/4,134.54 = 2,002.71/x
3. Step 3: Cross multiply
   2,997.12x = 4,134.54 × 2,002.71
4. Step 4: Simplify right side
   2,997.12x = 8,280,284.60
5. Step 5: Solve for x
   x = 8,280,284.60/2,997.12
6. Step 6: Final answer
   x = 2,762.75