Finding the Fourth Proportional to 10,931.76, 16,425.99 and 9,548.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931.76 : 16,425.99 = 9,548.82 : x
2. Step 2: Convert to fraction form
   10,931.76/16,425.99 = 9,548.82/x
3. Step 3: Cross multiply
   10,931.76x = 16,425.99 × 9,548.82
4. Step 4: Simplify right side
   10,931.76x = 156,848,821.83
5. Step 5: Solve for x
   x = 156,848,821.83/10,931.76
6. Step 6: Final answer
   x = 14,347.99