Finding the Fourth Proportional to 2,572,387.20, 3,860,075.49 and 1,152,443.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,387.20 : 3,860,075.49 = 1,152,443.28 : x
2. Step 2: Convert to fraction form
   2,572,387.20/3,860,075.49 = 1,152,443.28/x
3. Step 3: Cross multiply
   2,572,387.20x = 3,860,075.49 × 1,152,443.28
4. Step 4: Simplify right side
   2,572,387.20x = 4,448,518,058,743.21
5. Step 5: Solve for x
   x = 4,448,518,058,743.21/2,572,387.20
6. Step 6: Final answer
   x = 1,729,334.55