Finding the Fourth Proportional to 2,548.86, 3,814.17 and 1,997.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.86 : 3,814.17 = 1,997.25 : x
2. Step 2: Convert to fraction form
   2,548.86/3,814.17 = 1,997.25/x
3. Step 3: Cross multiply
   2,548.86x = 3,814.17 × 1,997.25
4. Step 4: Simplify right side
   2,548.86x = 7,617,851.03
5. Step 5: Solve for x
   x = 7,617,851.03/2,548.86
6. Step 6: Final answer
   x = 2,988.73