Finding the Fourth Proportional to 14,804.72, 20,429.88 and 8,090.24

Step by Step Solution

1. Step 1: Write the proportion equation
   14,804.72 : 20,429.88 = 8,090.24 : x
2. Step 2: Convert to fraction form
   14,804.72/20,429.88 = 8,090.24/x
3. Step 3: Cross multiply
   14,804.72x = 20,429.88 × 8,090.24
4. Step 4: Simplify right side
   14,804.72x = 165,282,632.37
5. Step 5: Solve for x
   x = 165,282,632.37/14,804.72
6. Step 6: Final answer
   x = 11,164.18