Finding the Fourth Proportional to 2,662,763.28, 3,674,613.78 and 1,439,064.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662,763.28 : 3,674,613.78 = 1,439,064.78 : x
2. Step 2: Convert to fraction form
   2,662,763.28/3,674,613.78 = 1,439,064.78/x
3. Step 3: Cross multiply
   2,662,763.28x = 3,674,613.78 × 1,439,064.78
4. Step 4: Simplify right side
   2,662,763.28x = 5,288,007,270,900.67
5. Step 5: Solve for x
   x = 5,288,007,270,900.67/2,662,763.28
6. Step 6: Final answer
   x = 1,985,909.64