Finding the Fourth Proportional to 3,182.89, 4,392.59 and 2,118.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,182.89 : 4,392.59 = 2,118.82 : x
2. Step 2: Convert to fraction form
   3,182.89/4,392.59 = 2,118.82/x
3. Step 3: Cross multiply
   3,182.89x = 4,392.59 × 2,118.82
4. Step 4: Simplify right side
   3,182.89x = 9,307,096.95
5. Step 5: Solve for x
   x = 9,307,096.95/3,182.89
6. Step 6: Final answer
   x = 2,924.10