Finding the Fourth Proportional to 5,018.29, 7,521.76 and 3,781.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,018.29 : 7,521.76 = 3,781.83 : x
2. Step 2: Convert to fraction form
   5,018.29/7,521.76 = 3,781.83/x
3. Step 3: Cross multiply
   5,018.29x = 7,521.76 × 3,781.83
4. Step 4: Simplify right side
   5,018.29x = 28,446,017.62
5. Step 5: Solve for x
   x = 28,446,017.62/5,018.29
6. Step 6: Final answer
   x = 5,668.47