Finding the Fourth Proportional to 1,439.33, 1,985.67 and 908.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439.33 : 1,985.67 = 908.00 : x
2. Step 2: Convert to fraction form
   1,439.33/1,985.67 = 908.00/x
3. Step 3: Cross multiply
   1,439.33x = 1,985.67 × 908.00
4. Step 4: Simplify right side
   1,439.33x = 1,802,978.43
5. Step 5: Solve for x
   x = 1,802,978.43/1,439.33
6. Step 6: Final answer
   x = 1,252.66