Finding the Fourth Proportional to 1,550,661.42, 2,139,748.98 and 862,222.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,661.42 : 2,139,748.98 = 862,222.23 : x
2. Step 2: Convert to fraction form
   1,550,661.42/2,139,748.98 = 862,222.23/x
3. Step 3: Cross multiply
   1,550,661.42x = 2,139,748.98 × 862,222.23
4. Step 4: Simplify right side
   1,550,661.42x = 1,844,939,137,175.83
5. Step 5: Solve for x
   x = 1,844,939,137,175.83/1,550,661.42
6. Step 6: Final answer
   x = 1,189,775.61