Finding the Fourth Proportional to 9,939.05, 14,876.12 and 7,305.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.05 : 14,876.12 = 7,305.86 : x
2. Step 2: Convert to fraction form
   9,939.05/14,876.12 = 7,305.86/x
3. Step 3: Cross multiply
   9,939.05x = 14,876.12 × 7,305.86
4. Step 4: Simplify right side
   9,939.05x = 108,682,905.52
5. Step 5: Solve for x
   x = 108,682,905.52/9,939.05
6. Step 6: Final answer
   x = 10,934.94