Finding the Fourth Proportional to 7,401.38, 11,087.42 and 3,886.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,401.38 : 11,087.42 = 3,886.11 : x
2. Step 2: Convert to fraction form
   7,401.38/11,087.42 = 3,886.11/x
3. Step 3: Cross multiply
   7,401.38x = 11,087.42 × 3,886.11
4. Step 4: Simplify right side
   7,401.38x = 43,086,914.31
5. Step 5: Solve for x
   x = 43,086,914.31/7,401.38
6. Step 6: Final answer
   x = 5,821.47