Finding the Fourth Proportional to 1,124.82, 1,688.04 and 1,003.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.82 : 1,688.04 = 1,003.32 : x
2. Step 2: Convert to fraction form
   1,124.82/1,688.04 = 1,003.32/x
3. Step 3: Cross multiply
   1,124.82x = 1,688.04 × 1,003.32
4. Step 4: Simplify right side
   1,124.82x = 1,693,644.29
5. Step 5: Solve for x
   x = 1,693,644.29/1,124.82
6. Step 6: Final answer
   x = 1,505.70