Finding the Fourth Proportional to 1,550,443.06, 2,139,613.14 and 862,107.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,443.06 : 2,139,613.14 = 862,107.49 : x
2. Step 2: Convert to fraction form
   1,550,443.06/2,139,613.14 = 862,107.49/x
3. Step 3: Cross multiply
   1,550,443.06x = 2,139,613.14 × 862,107.49
4. Step 4: Simplify right side
   1,550,443.06x = 1,844,576,513,696.42
5. Step 5: Solve for x
   x = 1,844,576,513,696.42/1,550,443.06
6. Step 6: Final answer
   x = 1,189,709.29