Finding the Fourth Proportional to 5,401,105.20, 7,454,230.20 and 3,109,362.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401,105.20 : 7,454,230.20 = 3,109,362.48 : x
2. Step 2: Convert to fraction form
   5,401,105.20/7,454,230.20 = 3,109,362.48/x
3. Step 3: Cross multiply
   5,401,105.20x = 7,454,230.20 × 3,109,362.48
4. Step 4: Simplify right side
   5,401,105.20x = 23,177,903,701,162.89
5. Step 5: Solve for x
   x = 23,177,903,701,162.89/5,401,105.20
6. Step 6: Final answer
   x = 4,291,326.10