Finding the Fourth Proportional to 11,071.37, 16,609.86 and 3,677.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,071.37 : 16,609.86 = 3,677.90 : x
2. Step 2: Convert to fraction form
   11,071.37/16,609.86 = 3,677.90/x
3. Step 3: Cross multiply
   11,071.37x = 16,609.86 × 3,677.90
4. Step 4: Simplify right side
   11,071.37x = 61,089,404.09
5. Step 5: Solve for x
   x = 61,089,404.09/11,071.37
6. Step 6: Final answer
   x = 5,517.78