Finding the Fourth Proportional to 9,910.72, 14,865.54 and 4,065.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.72 : 14,865.54 = 4,065.76 : x
2. Step 2: Convert to fraction form
   9,910.72/14,865.54 = 4,065.76/x
3. Step 3: Cross multiply
   9,910.72x = 14,865.54 × 4,065.76
4. Step 4: Simplify right side
   9,910.72x = 60,439,717.91
5. Step 5: Solve for x
   x = 60,439,717.91/9,910.72
6. Step 6: Final answer
   x = 6,098.42