Finding the Fourth Proportional to 3,112.53, 4,292.04 and 2,404.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112.53 : 4,292.04 = 2,404.47 : x
2. Step 2: Convert to fraction form
   3,112.53/4,292.04 = 2,404.47/x
3. Step 3: Cross multiply
   3,112.53x = 4,292.04 × 2,404.47
4. Step 4: Simplify right side
   3,112.53x = 10,320,081.42
5. Step 5: Solve for x
   x = 10,320,081.42/3,112.53
6. Step 6: Final answer
   x = 3,315.66