Finding the Fourth Proportional to 2,431,472.50, 3,355,341.32 and 1,399,139.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,472.50 : 3,355,341.32 = 1,399,139.69 : x
2. Step 2: Convert to fraction form
   2,431,472.50/3,355,341.32 = 1,399,139.69/x
3. Step 3: Cross multiply
   2,431,472.50x = 3,355,341.32 × 1,399,139.69
4. Step 4: Simplify right side
   2,431,472.50x = 4,694,591,207,313.29
5. Step 5: Solve for x
   x = 4,694,591,207,313.29/2,431,472.50
6. Step 6: Final answer
   x = 1,930,760.56