Finding the Fourth Proportional to 2,448.22, 3,671.89 and 1,131.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.22 : 3,671.89 = 1,131.91 : x
2. Step 2: Convert to fraction form
   2,448.22/3,671.89 = 1,131.91/x
3. Step 3: Cross multiply
   2,448.22x = 3,671.89 × 1,131.91
4. Step 4: Simplify right side
   2,448.22x = 4,156,249.01
5. Step 5: Solve for x
   x = 4,156,249.01/2,448.22
6. Step 6: Final answer
   x = 1,697.66