Finding the Fourth Proportional to 10,336.91, 14,265.03 and 5,621.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,336.91 : 14,265.03 = 5,621.18 : x
2. Step 2: Convert to fraction form
   10,336.91/14,265.03 = 5,621.18/x
3. Step 3: Cross multiply
   10,336.91x = 14,265.03 × 5,621.18
4. Step 4: Simplify right side
   10,336.91x = 80,186,301.34
5. Step 5: Solve for x
   x = 80,186,301.34/10,336.91
6. Step 6: Final answer
   x = 7,757.28