Finding the Fourth Proportional to 11,607.30, 16,007.76 and 9,368.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,607.30 : 16,007.76 = 9,368.46 : x
2. Step 2: Convert to fraction form
   11,607.30/16,007.76 = 9,368.46/x
3. Step 3: Cross multiply
   11,607.30x = 16,007.76 × 9,368.46
4. Step 4: Simplify right side
   11,607.30x = 149,968,059.25
5. Step 5: Solve for x
   x = 149,968,059.25/11,607.30
6. Step 6: Final answer
   x = 12,920.15