Finding the Fourth Proportional to 11,071.89, 16,604.99 and 3,278.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,071.89 : 16,604.99 = 3,278.88 : x
2. Step 2: Convert to fraction form
   11,071.89/16,604.99 = 3,278.88/x
3. Step 3: Cross multiply
   11,071.89x = 16,604.99 × 3,278.88
4. Step 4: Simplify right side
   11,071.89x = 54,445,686.59
5. Step 5: Solve for x
   x = 54,445,686.59/11,071.89
6. Step 6: Final answer
   x = 4,917.47