Finding the Fourth Proportional to 12,091.68, 16,684.38 and 7,377.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,091.68 : 16,684.38 = 7,377.48 : x
2. Step 2: Convert to fraction form
   12,091.68/16,684.38 = 7,377.48/x
3. Step 3: Cross multiply
   12,091.68x = 16,684.38 × 7,377.48
4. Step 4: Simplify right side
   12,091.68x = 123,088,679.76
5. Step 5: Solve for x
   x = 123,088,679.76/12,091.68
6. Step 6: Final answer
   x = 10,179.62