Finding the Fourth Proportional to 1,550,662.42, 2,139,750.36 and 862,223.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,662.42 : 2,139,750.36 = 862,223.23 : x
2. Step 2: Convert to fraction form
   1,550,662.42/2,139,750.36 = 862,223.23/x
3. Step 3: Cross multiply
   1,550,662.42x = 2,139,750.36 × 862,223.23
4. Step 4: Simplify right side
   1,550,662.42x = 1,844,942,466,792.86
5. Step 5: Solve for x
   x = 1,844,942,466,792.86/1,550,662.42
6. Step 6: Final answer
   x = 1,189,776.99