Finding the Fourth Proportional to 10,113.17, 15,169.28 and 3,540.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,113.17 : 15,169.28 = 3,540.83 : x
2. Step 2: Convert to fraction form
   10,113.17/15,169.28 = 3,540.83/x
3. Step 3: Cross multiply
   10,113.17x = 15,169.28 × 3,540.83
4. Step 4: Simplify right side
   10,113.17x = 53,711,748.15
5. Step 5: Solve for x
   x = 53,711,748.15/10,113.17
6. Step 6: Final answer
   x = 5,311.07