Finding the Fourth Proportional to 36,406.22, 54,609.69 and 10,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   36,406.22 : 54,609.69 = 10,111.10 : x
2. Step 2: Convert to fraction form
   36,406.22/54,609.69 = 10,111.10/x
3. Step 3: Cross multiply
   36,406.22x = 54,609.69 × 10,111.10
4. Step 4: Simplify right side
   36,406.22x = 552,164,036.56
5. Step 5: Solve for x
   x = 552,164,036.56/36,406.22
6. Step 6: Final answer
   x = 15,166.75