Finding the Fourth Proportional to 42,255.83, 63,379.61 and 11,091.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,255.83 : 63,379.61 = 11,091.08 : x
2. Step 2: Convert to fraction form
   42,255.83/63,379.61 = 11,091.08/x
3. Step 3: Cross multiply
   42,255.83x = 63,379.61 × 11,091.08
4. Step 4: Simplify right side
   42,255.83x = 702,948,324.88
5. Step 5: Solve for x
   x = 702,948,324.88/42,255.83
6. Step 6: Final answer
   x = 16,635.53