Finding the Fourth Proportional to 1,805,123.10, 2,707,028.55 and 906,266.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,123.10 : 2,707,028.55 = 906,266.10 : x
2. Step 2: Convert to fraction form
   1,805,123.10/2,707,028.55 = 906,266.10/x
3. Step 3: Cross multiply
   1,805,123.10x = 2,707,028.55 × 906,266.10
4. Step 4: Simplify right side
   1,805,123.10x = 2,453,288,206,597.15
5. Step 5: Solve for x
   x = 2,453,288,206,597.15/1,805,123.10
6. Step 6: Final answer
   x = 1,359,069.75