Finding the Fourth Proportional to 11,741.99, 17,611.16 and 3,420.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,741.99 : 17,611.16 = 3,420.27 : x
2. Step 2: Convert to fraction form
   11,741.99/17,611.16 = 3,420.27/x
3. Step 3: Cross multiply
   11,741.99x = 17,611.16 × 3,420.27
4. Step 4: Simplify right side
   11,741.99x = 60,234,905.11
5. Step 5: Solve for x
   x = 60,234,905.11/11,741.99
6. Step 6: Final answer
   x = 5,129.87