Finding the Fourth Proportional to 1,012,917.27, 1,518,815.00 and 414,298.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,917.27 : 1,518,815.00 = 414,298.82 : x
2. Step 2: Convert to fraction form
   1,012,917.27/1,518,815.00 = 414,298.82/x
3. Step 3: Cross multiply
   1,012,917.27x = 1,518,815.00 × 414,298.82
4. Step 4: Simplify right side
   1,012,917.27x = 629,243,252,632.73
5. Step 5: Solve for x
   x = 629,243,252,632.73/1,012,917.27
6. Step 6: Final answer
   x = 621,218.80