Finding the Fourth Proportional to 1,605.02, 2,214.96 and 906.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605.02 : 2,214.96 = 906.41 : x
2. Step 2: Convert to fraction form
   1,605.02/2,214.96 = 906.41/x
3. Step 3: Cross multiply
   1,605.02x = 2,214.96 × 906.41
4. Step 4: Simplify right side
   1,605.02x = 2,007,661.89
5. Step 5: Solve for x
   x = 2,007,661.89/1,605.02
6. Step 6: Final answer
   x = 1,250.86