Finding the Fourth Proportional to 3,981.67, 5,495.00 and 2,388.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.67 : 5,495.00 = 2,388.39 : x
2. Step 2: Convert to fraction form
   3,981.67/5,495.00 = 2,388.39/x
3. Step 3: Cross multiply
   3,981.67x = 5,495.00 × 2,388.39
4. Step 4: Simplify right side
   3,981.67x = 13,124,196.46
5. Step 5: Solve for x
   x = 13,124,196.46/3,981.67
6. Step 6: Final answer
   x = 3,296.15