Finding the Fourth Proportional to 1,013.93, 1,514.05 and 1,003.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.93 : 1,514.05 = 1,003.21 : x
2. Step 2: Convert to fraction form
   1,013.93/1,514.05 = 1,003.21/x
3. Step 3: Cross multiply
   1,013.93x = 1,514.05 × 1,003.21
4. Step 4: Simplify right side
   1,013.93x = 1,518,912.61
5. Step 5: Solve for x
   x = 1,518,912.61/1,013.93
6. Step 6: Final answer
   x = 1,498.04