Finding the Fourth Proportional to 5,147,404.72, 7,103,426.88 and 2,855,565.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147,404.72 : 7,103,426.88 = 2,855,565.48 : x
2. Step 2: Convert to fraction form
   5,147,404.72/7,103,426.88 = 2,855,565.48/x
3. Step 3: Cross multiply
   5,147,404.72x = 7,103,426.88 × 2,855,565.48
4. Step 4: Simplify right side
   5,147,404.72x = 20,284,300,588,232.10
5. Step 5: Solve for x
   x = 20,284,300,588,232.10/5,147,404.72
6. Step 6: Final answer
   x = 3,940,685.00