Finding the Fourth Proportional to 2,392.51, 3,304.18 and 2,131.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.51 : 3,304.18 = 2,131.60 : x
2. Step 2: Convert to fraction form
   2,392.51/3,304.18 = 2,131.60/x
3. Step 3: Cross multiply
   2,392.51x = 3,304.18 × 2,131.60
4. Step 4: Simplify right side
   2,392.51x = 7,043,179.43
5. Step 5: Solve for x
   x = 7,043,179.43/2,392.51
6. Step 6: Final answer
   x = 2,943.85