Finding the Fourth Proportional to 3,085.86, 4,627.56 and 2,112.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.86 : 4,627.56 = 2,112.24 : x
2. Step 2: Convert to fraction form
   3,085.86/4,627.56 = 2,112.24/x
3. Step 3: Cross multiply
   3,085.86x = 4,627.56 × 2,112.24
4. Step 4: Simplify right side
   3,085.86x = 9,774,517.33
5. Step 5: Solve for x
   x = 9,774,517.33/3,085.86
6. Step 6: Final answer
   x = 3,167.52