Finding the Fourth Proportional to 15,979.10, 22,036.82 and 10,011.42

Step by Step Solution

1. Step 1: Write the proportion equation
   15,979.10 : 22,036.82 = 10,011.42 : x
2. Step 2: Convert to fraction form
   15,979.10/22,036.82 = 10,011.42/x
3. Step 3: Cross multiply
   15,979.10x = 22,036.82 × 10,011.42
4. Step 4: Simplify right side
   15,979.10x = 220,619,810.43
5. Step 5: Solve for x
   x = 220,619,810.43/15,979.10
6. Step 6: Final answer
   x = 13,806.78