Finding the Fourth Proportional to 5,740,002.72, 7,920,911.52 and 3,161,628

Step by Step Solution

1. Step 1: Write the proportion equation
   5,740,002.72 : 7,920,911.52 = 3,161,628 : x
2. Step 2: Convert to fraction form
   5,740,002.72/7,920,911.52 = 3,161,628/x
3. Step 3: Cross multiply
   5,740,002.72x = 7,920,911.52 × 3,161,628
4. Step 4: Simplify right side
   5,740,002.72x = 25,042,975,647,154.56
5. Step 5: Solve for x
   x = 25,042,975,647,154.56/5,740,002.72
6. Step 6: Final answer
   x = 4,362,885.68