Finding the Fourth Proportional to 5,147,388.72, 7,103,404.80 and 2,855,549.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147,388.72 : 7,103,404.80 = 2,855,549.43 : x
2. Step 2: Convert to fraction form
   5,147,388.72/7,103,404.80 = 2,855,549.43/x
3. Step 3: Cross multiply
   5,147,388.72x = 7,103,404.80 × 2,855,549.43
4. Step 4: Simplify right side
   5,147,388.72x = 20,284,123,527,699.27
5. Step 5: Solve for x
   x = 20,284,123,527,699.27/5,147,388.72
6. Step 6: Final answer
   x = 3,940,662.85