Finding the Fourth Proportional to 12,187.73, 16,812.05 and 7,339.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,187.73 : 16,812.05 = 7,339.08 : x
2. Step 2: Convert to fraction form
   12,187.73/16,812.05 = 7,339.08/x
3. Step 3: Cross multiply
   12,187.73x = 16,812.05 × 7,339.08
4. Step 4: Simplify right side
   12,187.73x = 123,384,943.22
5. Step 5: Solve for x
   x = 123,384,943.22/12,187.73
6. Step 6: Final answer
   x = 10,123.71