Finding the Fourth Proportional to 10,049.27, 13,865.17 and 7,918.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,049.27 : 13,865.17 = 7,918.20 : x
2. Step 2: Convert to fraction form
   10,049.27/13,865.17 = 7,918.20/x
3. Step 3: Cross multiply
   10,049.27x = 13,865.17 × 7,918.20
4. Step 4: Simplify right side
   10,049.27x = 109,787,080.18
5. Step 5: Solve for x
   x = 109,787,080.18/10,049.27
6. Step 6: Final answer
   x = 10,924.88