Finding the Fourth Proportional to 1,605,075.26, 2,215,143.59 and 880,061.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,075.26 : 2,215,143.59 = 880,061.27 : x
2. Step 2: Convert to fraction form
   1,605,075.26/2,215,143.59 = 880,061.27/x
3. Step 3: Cross multiply
   1,605,075.26x = 2,215,143.59 × 880,061.27
4. Step 4: Simplify right side
   1,605,075.26x = 1,949,462,065,571.74
5. Step 5: Solve for x
   x = 1,949,462,065,571.74/1,605,075.26
6. Step 6: Final answer
   x = 1,214,561.16