Finding the Fourth Proportional to 11,607.50, 17,414.14 and 3,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,607.50 : 17,414.14 = 3,399.50 : x
2. Step 2: Convert to fraction form
   11,607.50/17,414.14 = 3,399.50/x
3. Step 3: Cross multiply
   11,607.50x = 17,414.14 × 3,399.50
4. Step 4: Simplify right side
   11,607.50x = 59,199,368.93
5. Step 5: Solve for x
   x = 59,199,368.93/11,607.50
6. Step 6: Final answer
   x = 5,100.10