Finding the Fourth Proportional to 1,155.82, 1,731.03 and 1,003

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.82 : 1,731.03 = 1,003 : x
2. Step 2: Convert to fraction form
   1,155.82/1,731.03 = 1,003/x
3. Step 3: Cross multiply
   1,155.82x = 1,731.03 × 1,003
4. Step 4: Simplify right side
   1,155.82x = 1,736,223.09
5. Step 5: Solve for x
   x = 1,736,223.09/1,155.82
6. Step 6: Final answer
   x = 1,502.16