Finding the Fourth Proportional to 10,031.34, 15,048.42 and 4,186.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.34 : 15,048.42 = 4,186.62 : x
2. Step 2: Convert to fraction form
   10,031.34/15,048.42 = 4,186.62/x
3. Step 3: Cross multiply
   10,031.34x = 15,048.42 × 4,186.62
4. Step 4: Simplify right side
   10,031.34x = 63,002,016.14
5. Step 5: Solve for x
   x = 63,002,016.14/10,031.34
6. Step 6: Final answer
   x = 6,280.52