Finding the Fourth Proportional to 7,131,728.56, 10,697,476.20 and 2,871,789.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131,728.56 : 10,697,476.20 = 2,871,789.52 : x
2. Step 2: Convert to fraction form
   7,131,728.56/10,697,476.20 = 2,871,789.52/x
3. Step 3: Cross multiply
   7,131,728.56x = 10,697,476.20 × 2,871,789.52
4. Step 4: Simplify right side
   7,131,728.56x = 30,720,900,041,609.42
5. Step 5: Solve for x
   x = 30,720,900,041,609.42/7,131,728.56
6. Step 6: Final answer
   x = 4,307,637.31