Finding the Fourth Proportional to 1,593.49, 2,389.83 and 715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,593.49 : 2,389.83 = 715.50 : x
2. Step 2: Convert to fraction form
   1,593.49/2,389.83 = 715.50/x
3. Step 3: Cross multiply
   1,593.49x = 2,389.83 × 715.50
4. Step 4: Simplify right side
   1,593.49x = 1,709,923.37
5. Step 5: Solve for x
   x = 1,709,923.37/1,593.49
6. Step 6: Final answer
   x = 1,073.07