Finding the Fourth Proportional to 10,818.04, 16,206.02 and 7,109.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.04 : 16,206.02 = 7,109.10 : x
2. Step 2: Convert to fraction form
   10,818.04/16,206.02 = 7,109.10/x
3. Step 3: Cross multiply
   10,818.04x = 16,206.02 × 7,109.10
4. Step 4: Simplify right side
   10,818.04x = 115,210,216.78
5. Step 5: Solve for x
   x = 115,210,216.78/10,818.04
6. Step 6: Final answer
   x = 10,649.82