Finding the Fourth Proportional to 9,449.45, 14,139.51 and 7,885.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,449.45 : 14,139.51 = 7,885.59 : x
2. Step 2: Convert to fraction form
   9,449.45/14,139.51 = 7,885.59/x
3. Step 3: Cross multiply
   9,449.45x = 14,139.51 × 7,885.59
4. Step 4: Simplify right side
   9,449.45x = 111,498,459.73
5. Step 5: Solve for x
   x = 111,498,459.73/9,449.45
6. Step 6: Final answer
   x = 11,799.46