Finding the Fourth Proportional to 1,665,933.37, 2,498,900.06 and 403,760.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,933.37 : 2,498,900.06 = 403,760.99 : x
2. Step 2: Convert to fraction form
   1,665,933.37/2,498,900.06 = 403,760.99/x
3. Step 3: Cross multiply
   1,665,933.37x = 2,498,900.06 × 403,760.99
4. Step 4: Simplify right side
   1,665,933.37x = 1,008,958,369,393.31
5. Step 5: Solve for x
   x = 1,008,958,369,393.31/1,665,933.37
6. Step 6: Final answer
   x = 605,641.49