Finding the Fourth Proportional to 1,160.69, 1,598.24 and 1,003.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.69 : 1,598.24 = 1,003.03 : x
2. Step 2: Convert to fraction form
   1,160.69/1,598.24 = 1,003.03/x
3. Step 3: Cross multiply
   1,160.69x = 1,598.24 × 1,003.03
4. Step 4: Simplify right side
   1,160.69x = 1,603,081.18
5. Step 5: Solve for x
   x = 1,603,081.18/1,160.69
6. Step 6: Final answer
   x = 1,381.15