Finding the Fourth Proportional to 1,013,846.73, 1,520,766.25 and 414,807.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,846.73 : 1,520,766.25 = 414,807.69 : x
2. Step 2: Convert to fraction form
   1,013,846.73/1,520,766.25 = 414,807.69/x
3. Step 3: Cross multiply
   1,013,846.73x = 1,520,766.25 × 414,807.69
4. Step 4: Simplify right side
   1,013,846.73x = 630,825,536,164.20
5. Step 5: Solve for x
   x = 630,825,536,164.20/1,013,846.73
6. Step 6: Final answer
   x = 622,209.97