Finding the Fourth Proportional to 2,662,764.28, 3,674,615.16 and 1,439,065.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662,764.28 : 3,674,615.16 = 1,439,065.78 : x
2. Step 2: Convert to fraction form
   2,662,764.28/3,674,615.16 = 1,439,065.78/x
3. Step 3: Cross multiply
   2,662,764.28x = 3,674,615.16 × 1,439,065.78
4. Step 4: Simplify right side
   2,662,764.28x = 5,288,012,931,425.23
5. Step 5: Solve for x
   x = 5,288,012,931,425.23/2,662,764.28
6. Step 6: Final answer
   x = 1,985,911.02