Finding the Fourth Proportional to 19,857.10, 29,773.50 and 8,016.32

Step by Step Solution

1. Step 1: Write the proportion equation
   19,857.10 : 29,773.50 = 8,016.32 : x
2. Step 2: Convert to fraction form
   19,857.10/29,773.50 = 8,016.32/x
3. Step 3: Cross multiply
   19,857.10x = 29,773.50 × 8,016.32
4. Step 4: Simplify right side
   19,857.10x = 238,673,903.52
5. Step 5: Solve for x
   x = 238,673,903.52/19,857.10
6. Step 6: Final answer
   x = 12,019.58