Finding the Fourth Proportional to 1,338,917.91, 2,008,716.72 and 619,777.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,917.91 : 2,008,716.72 = 619,777.98 : x
2. Step 2: Convert to fraction form
   1,338,917.91/2,008,716.72 = 619,777.98/x
3. Step 3: Cross multiply
   1,338,917.91x = 2,008,716.72 × 619,777.98
4. Step 4: Simplify right side
   1,338,917.91x = 1,244,958,391,113.83
5. Step 5: Solve for x
   x = 1,244,958,391,113.83/1,338,917.91
6. Step 6: Final answer
   x = 929,824.29