Finding the Fourth Proportional to 1,152.24, 1,588.86 and 1,003.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.24 : 1,588.86 = 1,003.56 : x
2. Step 2: Convert to fraction form
   1,152.24/1,588.86 = 1,003.56/x
3. Step 3: Cross multiply
   1,152.24x = 1,588.86 × 1,003.56
4. Step 4: Simplify right side
   1,152.24x = 1,594,516.34
5. Step 5: Solve for x
   x = 1,594,516.34/1,152.24
6. Step 6: Final answer
   x = 1,383.84