Finding the Fourth Proportional to 1,332,162.72, 1,998,900.18 and 622,087.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,332,162.72 : 1,998,900.18 = 622,087.56 : x
2. Step 2: Convert to fraction form
   1,332,162.72/1,998,900.18 = 622,087.56/x
3. Step 3: Cross multiply
   1,332,162.72x = 1,998,900.18 × 622,087.56
4. Step 4: Simplify right side
   1,332,162.72x = 1,243,490,935,659.76
5. Step 5: Solve for x
   x = 1,243,490,935,659.76/1,332,162.72
6. Step 6: Final answer
   x = 933,437.72