Finding the Fourth Proportional to 11,069.47, 16,604.28 and 3,278.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,069.47 : 16,604.28 = 3,278.35 : x
2. Step 2: Convert to fraction form
   11,069.47/16,604.28 = 3,278.35/x
3. Step 3: Cross multiply
   11,069.47x = 16,604.28 × 3,278.35
4. Step 4: Simplify right side
   11,069.47x = 54,434,641.34
5. Step 5: Solve for x
   x = 54,434,641.34/11,069.47
6. Step 6: Final answer
   x = 4,917.55