Finding the Fourth Proportional to 1,502.37, 2,073.57 and 1,005.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502.37 : 2,073.57 = 1,005.18 : x
2. Step 2: Convert to fraction form
   1,502.37/2,073.57 = 1,005.18/x
3. Step 3: Cross multiply
   1,502.37x = 2,073.57 × 1,005.18
4. Step 4: Simplify right side
   1,502.37x = 2,084,311.09
5. Step 5: Solve for x
   x = 2,084,311.09/1,502.37
6. Step 6: Final answer
   x = 1,387.35