Finding the Fourth Proportional to 1,496.57, 2,064.78 and 906.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.57 : 2,064.78 = 906.89 : x
2. Step 2: Convert to fraction form
   1,496.57/2,064.78 = 906.89/x
3. Step 3: Cross multiply
   1,496.57x = 2,064.78 × 906.89
4. Step 4: Simplify right side
   1,496.57x = 1,872,528.33
5. Step 5: Solve for x
   x = 1,872,528.33/1,496.57
6. Step 6: Final answer
   x = 1,251.21