Finding the Fourth Proportional to 10,884.17, 15,015.83 and 7,106.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,884.17 : 15,015.83 = 7,106.12 : x
2. Step 2: Convert to fraction form
   10,884.17/15,015.83 = 7,106.12/x
3. Step 3: Cross multiply
   10,884.17x = 15,015.83 × 7,106.12
4. Step 4: Simplify right side
   10,884.17x = 106,704,179.27
5. Step 5: Solve for x
   x = 106,704,179.27/10,884.17
6. Step 6: Final answer
   x = 9,803.62