Finding the Fourth Proportional to 11,054.37, 16,569.32 and 4,478.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,054.37 : 16,569.32 = 4,478.61 : x
2. Step 2: Convert to fraction form
   11,054.37/16,569.32 = 4,478.61/x
3. Step 3: Cross multiply
   11,054.37x = 16,569.32 × 4,478.61
4. Step 4: Simplify right side
   11,054.37x = 74,207,499.85
5. Step 5: Solve for x
   x = 74,207,499.85/11,054.37
6. Step 6: Final answer
   x = 6,712.96