Finding the Fourth Proportional to 2,256.06, 3,375.18 and 2,117.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.06 : 3,375.18 = 2,117.82 : x
2. Step 2: Convert to fraction form
   2,256.06/3,375.18 = 2,117.82/x
3. Step 3: Cross multiply
   2,256.06x = 3,375.18 × 2,117.82
4. Step 4: Simplify right side
   2,256.06x = 7,148,023.71
5. Step 5: Solve for x
   x = 7,148,023.71/2,256.06
6. Step 6: Final answer
   x = 3,168.37