Finding the Fourth Proportional to 7,388.84, 11,078.22 and 3,880.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,388.84 : 11,078.22 = 3,880.84 : x
2. Step 2: Convert to fraction form
   7,388.84/11,078.22 = 3,880.84/x
3. Step 3: Cross multiply
   7,388.84x = 11,078.22 × 3,880.84
4. Step 4: Simplify right side
   7,388.84x = 42,992,799.30
5. Step 5: Solve for x
   x = 42,992,799.30/7,388.84
6. Step 6: Final answer
   x = 5,818.61