Finding the Fourth Proportional to 3,719.42, 5,587.83 and 3,509.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,719.42 : 5,587.83 = 3,509.25 : x
2. Step 2: Convert to fraction form
   3,719.42/5,587.83 = 3,509.25/x
3. Step 3: Cross multiply
   3,719.42x = 5,587.83 × 3,509.25
4. Step 4: Simplify right side
   3,719.42x = 19,609,092.43
5. Step 5: Solve for x
   x = 19,609,092.43/3,719.42
6. Step 6: Final answer
   x = 5,272.08