Finding the Fourth Proportional to 6,675.31, 9,209.55 and 4,023.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,675.31 : 9,209.55 = 4,023.55 : x
2. Step 2: Convert to fraction form
   6,675.31/9,209.55 = 4,023.55/x
3. Step 3: Cross multiply
   6,675.31x = 9,209.55 × 4,023.55
4. Step 4: Simplify right side
   6,675.31x = 37,055,084.90
5. Step 5: Solve for x
   x = 37,055,084.90/6,675.31
6. Step 6: Final answer
   x = 5,551.07