Finding the Fourth Proportional to 5,355,189.05, 7,389,121.59 and 3,180,414.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,355,189.05 : 7,389,121.59 = 3,180,414.38 : x
2. Step 2: Convert to fraction form
   5,355,189.05/7,389,121.59 = 3,180,414.38/x
3. Step 3: Cross multiply
   5,355,189.05x = 7,389,121.59 × 3,180,414.38
4. Step 4: Simplify right side
   5,355,189.05x = 23,500,468,523,458.86
5. Step 5: Solve for x
   x = 23,500,468,523,458.86/5,355,189.05
6. Step 6: Final answer
   x = 4,388,354.61