Finding the Fourth Proportional to 1,087.40, 1,629.47 and 600.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.40 : 1,629.47 = 600.59 : x
2. Step 2: Convert to fraction form
   1,087.40/1,629.47 = 600.59/x
3. Step 3: Cross multiply
   1,087.40x = 1,629.47 × 600.59
4. Step 4: Simplify right side
   1,087.40x = 978,636.74
5. Step 5: Solve for x
   x = 978,636.74/1,087.40
6. Step 6: Final answer
   x = 899.98