Finding the Fourth Proportional to 11,077.98, 16,611.57 and 3,679.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,077.98 : 16,611.57 = 3,679.89 : x
2. Step 2: Convert to fraction form
   11,077.98/16,611.57 = 3,679.89/x
3. Step 3: Cross multiply
   11,077.98x = 16,611.57 × 3,679.89
4. Step 4: Simplify right side
   11,077.98x = 61,128,750.33
5. Step 5: Solve for x
   x = 61,128,750.33/11,077.98
6. Step 6: Final answer
   x = 5,518.04