Finding the Fourth Proportional to 11,601.94, 16,002.75 and 7,408.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,601.94 : 16,002.75 = 7,408.30 : x
2. Step 2: Convert to fraction form
   11,601.94/16,002.75 = 7,408.30/x
3. Step 3: Cross multiply
   11,601.94x = 16,002.75 × 7,408.30
4. Step 4: Simplify right side
   11,601.94x = 118,553,172.83
5. Step 5: Solve for x
   x = 118,553,172.83/11,601.94
6. Step 6: Final answer
   x = 10,218.39