Finding the Fourth Proportional to 1,593.63, 2,388.72 and 669.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,593.63 : 2,388.72 = 669.69 : x
2. Step 2: Convert to fraction form
   1,593.63/2,388.72 = 669.69/x
3. Step 3: Cross multiply
   1,593.63x = 2,388.72 × 669.69
4. Step 4: Simplify right side
   1,593.63x = 1,599,701.90
5. Step 5: Solve for x
   x = 1,599,701.90/1,593.63
6. Step 6: Final answer
   x = 1,003.81