Finding the Fourth Proportional to 1,404,469.12, 2,106,205.76 and 505,669.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,469.12 : 2,106,205.76 = 505,669.76 : x
2. Step 2: Convert to fraction form
   1,404,469.12/2,106,205.76 = 505,669.76/x
3. Step 3: Cross multiply
   1,404,469.12x = 2,106,205.76 × 505,669.76
4. Step 4: Simplify right side
   1,404,469.12x = 1,065,044,561,169.82
5. Step 5: Solve for x
   x = 1,065,044,561,169.82/1,404,469.12
6. Step 6: Final answer
   x = 758,325.37