Finding the Fourth Proportional to 4,669.32, 6,442.56 and 3,182.16

Step by Step Solution

1. Step 1: Write the proportion equation
   4,669.32 : 6,442.56 = 3,182.16 : x
2. Step 2: Convert to fraction form
   4,669.32/6,442.56 = 3,182.16/x
3. Step 3: Cross multiply
   4,669.32x = 6,442.56 × 3,182.16
4. Step 4: Simplify right side
   4,669.32x = 20,501,256.73
5. Step 5: Solve for x
   x = 20,501,256.73/4,669.32
6. Step 6: Final answer
   x = 4,390.63