Finding the Fourth Proportional to 3,887.88, 5,365.89 and 2,316.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887.88 : 5,365.89 = 2,316.89 : x
2. Step 2: Convert to fraction form
   3,887.88/5,365.89 = 2,316.89/x
3. Step 3: Cross multiply
   3,887.88x = 5,365.89 × 2,316.89
4. Step 4: Simplify right side
   3,887.88x = 12,432,150.05
5. Step 5: Solve for x
   x = 12,432,150.05/3,887.88
6. Step 6: Final answer
   x = 3,197.67