Finding the Fourth Proportional to 1,599.69, 2,399.61 and 626.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,599.69 : 2,399.61 = 626.02 : x
2. Step 2: Convert to fraction form
   1,599.69/2,399.61 = 626.02/x
3. Step 3: Cross multiply
   1,599.69x = 2,399.61 × 626.02
4. Step 4: Simplify right side
   1,599.69x = 1,502,188.72
5. Step 5: Solve for x
   x = 1,502,188.72/1,599.69
6. Step 6: Final answer
   x = 939.05