Finding the Fourth Proportional to 2,521.02, 3,781.93 and 672.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.02 : 3,781.93 = 672.29 : x
2. Step 2: Convert to fraction form
   2,521.02/3,781.93 = 672.29/x
3. Step 3: Cross multiply
   2,521.02x = 3,781.93 × 672.29
4. Step 4: Simplify right side
   2,521.02x = 2,542,553.72
5. Step 5: Solve for x
   x = 2,542,553.72/2,521.02
6. Step 6: Final answer
   x = 1,008.54