Finding the Fourth Proportional to 11,235.98, 16,856.61 and 3,338.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,235.98 : 16,856.61 = 3,338.55 : x
2. Step 2: Convert to fraction form
   11,235.98/16,856.61 = 3,338.55/x
3. Step 3: Cross multiply
   11,235.98x = 16,856.61 × 3,338.55
4. Step 4: Simplify right side
   11,235.98x = 56,276,693.91
5. Step 5: Solve for x
   x = 56,276,693.91/11,235.98
6. Step 6: Final answer
   x = 5,008.62