Finding the Fourth Proportional to 2,591,553.16, 3,888,452.38 and 1,392,075.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,553.16 : 3,888,452.38 = 1,392,075.88 : x
2. Step 2: Convert to fraction form
   2,591,553.16/3,888,452.38 = 1,392,075.88/x
3. Step 3: Cross multiply
   2,591,553.16x = 3,888,452.38 × 1,392,075.88
4. Step 4: Simplify right side
   2,591,553.16x = 5,413,020,768,726.59
5. Step 5: Solve for x
   x = 5,413,020,768,726.59/2,591,553.16
6. Step 6: Final answer
   x = 2,088,716.86