Finding the Fourth Proportional to 10,979.13, 16,454.12 and 7,023.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.13 : 16,454.12 = 7,023.09 : x
2. Step 2: Convert to fraction form
   10,979.13/16,454.12 = 7,023.09/x
3. Step 3: Cross multiply
   10,979.13x = 16,454.12 × 7,023.09
4. Step 4: Simplify right side
   10,979.13x = 115,558,730.52
5. Step 5: Solve for x
   x = 115,558,730.52/10,979.13
6. Step 6: Final answer
   x = 10,525.31