Finding the Fourth Proportional to 1,811,046.72, 2,716,567.20 and 481,350.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811,046.72 : 2,716,567.20 = 481,350.72 : x
2. Step 2: Convert to fraction form
   1,811,046.72/2,716,567.20 = 481,350.72/x
3. Step 3: Cross multiply
   1,811,046.72x = 2,716,567.20 × 481,350.72
4. Step 4: Simplify right side
   1,811,046.72x = 1,307,621,577,648.38
5. Step 5: Solve for x
   x = 1,307,621,577,648.38/1,811,046.72
6. Step 6: Final answer
   x = 722,025.31