Finding the Fourth Proportional to 7,388.11, 10,196.46 and 5,397.67

Step by Step Solution

1. Step 1: Write the proportion equation
   7,388.11 : 10,196.46 = 5,397.67 : x
2. Step 2: Convert to fraction form
   7,388.11/10,196.46 = 5,397.67/x
3. Step 3: Cross multiply
   7,388.11x = 10,196.46 × 5,397.67
4. Step 4: Simplify right side
   7,388.11x = 55,037,126.25
5. Step 5: Solve for x
   x = 55,037,126.25/7,388.11
6. Step 6: Final answer
   x = 7,449.42