Finding the Fourth Proportional to 3,888.88, 5,367.27 and 2,317.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,888.88 : 5,367.27 = 2,317.89 : x
2. Step 2: Convert to fraction form
   3,888.88/5,367.27 = 2,317.89/x
3. Step 3: Cross multiply
   3,888.88x = 5,367.27 × 2,317.89
4. Step 4: Simplify right side
   3,888.88x = 12,440,741.46
5. Step 5: Solve for x
   x = 12,440,741.46/3,888.88
6. Step 6: Final answer
   x = 3,199.06