Finding the Fourth Proportional to 1,554,751.83, 2,145,559.59 and 866,408.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,751.83 : 2,145,559.59 = 866,408.59 : x
2. Step 2: Convert to fraction form
   1,554,751.83/2,145,559.59 = 866,408.59/x
3. Step 3: Cross multiply
   1,554,751.83x = 2,145,559.59 × 866,408.59
4. Step 4: Simplify right side
   1,554,751.83x = 1,858,931,244,073.04
5. Step 5: Solve for x
   x = 1,858,931,244,073.04/1,554,751.83
6. Step 6: Final answer
   x = 1,195,645.00