Finding the Fourth Proportional to 2,535,488.10, 3,498,953.49 and 1,389,565.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535,488.10 : 3,498,953.49 = 1,389,565.71 : x
2. Step 2: Convert to fraction form
   2,535,488.10/3,498,953.49 = 1,389,565.71/x
3. Step 3: Cross multiply
   2,535,488.10x = 3,498,953.49 × 1,389,565.71
4. Step 4: Simplify right side
   2,535,488.10x = 4,862,025,790,588.83
5. Step 5: Solve for x
   x = 4,862,025,790,588.83/2,535,488.10
6. Step 6: Final answer
   x = 1,917,589.67