Finding the Fourth Proportional to 42,268.18, 63,397.38 and 11,105.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,268.18 : 63,397.38 = 11,105.86 : x
2. Step 2: Convert to fraction form
   42,268.18/63,397.38 = 11,105.86/x
3. Step 3: Cross multiply
   42,268.18x = 63,397.38 × 11,105.86
4. Step 4: Simplify right side
   42,268.18x = 704,082,426.65
5. Step 5: Solve for x
   x = 704,082,426.65/42,268.18
6. Step 6: Final answer
   x = 16,657.51