Finding the Fourth Proportional to 1,495.10, 2,063.33 and 905.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.10 : 2,063.33 = 905.69 : x
2. Step 2: Convert to fraction form
   1,495.10/2,063.33 = 905.69/x
3. Step 3: Cross multiply
   1,495.10x = 2,063.33 × 905.69
4. Step 4: Simplify right side
   1,495.10x = 1,868,722.50
5. Step 5: Solve for x
   x = 1,868,722.50/1,495.10
6. Step 6: Final answer
   x = 1,249.90