Finding the Fourth Proportional to 10,587.72, 15,878.19 and 3,565.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,587.72 : 15,878.19 = 3,565.83 : x
2. Step 2: Convert to fraction form
   10,587.72/15,878.19 = 3,565.83/x
3. Step 3: Cross multiply
   10,587.72x = 15,878.19 × 3,565.83
4. Step 4: Simplify right side
   10,587.72x = 56,618,926.25
5. Step 5: Solve for x
   x = 56,618,926.25/10,587.72
6. Step 6: Final answer
   x = 5,347.60