Finding the Fourth Proportional to 12,081.62, 16,672.79 and 7,300.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,081.62 : 16,672.79 = 7,300.89 : x
2. Step 2: Convert to fraction form
   12,081.62/16,672.79 = 7,300.89/x
3. Step 3: Cross multiply
   12,081.62x = 16,672.79 × 7,300.89
4. Step 4: Simplify right side
   12,081.62x = 121,726,169.28
5. Step 5: Solve for x
   x = 121,726,169.28/12,081.62
6. Step 6: Final answer
   x = 10,075.32