Finding the Fourth Proportional to 2,175.18, 3,261.54 and 942.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.18 : 3,261.54 = 942.24 : x
2. Step 2: Convert to fraction form
   2,175.18/3,261.54 = 942.24/x
3. Step 3: Cross multiply
   2,175.18x = 3,261.54 × 942.24
4. Step 4: Simplify right side
   2,175.18x = 3,073,153.45
5. Step 5: Solve for x
   x = 3,073,153.45/2,175.18
6. Step 6: Final answer
   x = 1,412.83