Finding the Fourth Proportional to 12,081.27, 16,676.25 and 7,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,081.27 : 16,676.25 = 7,612.50 : x
2. Step 2: Convert to fraction form
   12,081.27/16,676.25 = 7,612.50/x
3. Step 3: Cross multiply
   12,081.27x = 16,676.25 × 7,612.50
4. Step 4: Simplify right side
   12,081.27x = 126,947,953.13
5. Step 5: Solve for x
   x = 126,947,953.13/12,081.27
6. Step 6: Final answer
   x = 10,507.83