Finding the Fourth Proportional to 10,162.26, 15,245.82 and 3,587.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,162.26 : 15,245.82 = 3,587.90 : x
2. Step 2: Convert to fraction form
   10,162.26/15,245.82 = 3,587.90/x
3. Step 3: Cross multiply
   10,162.26x = 15,245.82 × 3,587.90
4. Step 4: Simplify right side
   10,162.26x = 54,700,401.35
5. Step 5: Solve for x
   x = 54,700,401.35/10,162.26
6. Step 6: Final answer
   x = 5,382.70