Finding the Fourth Proportional to 9,885.61, 14,757.89 and 9,539.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,885.61 : 14,757.89 = 9,539.59 : x
2. Step 2: Convert to fraction form
   9,885.61/14,757.89 = 9,539.59/x
3. Step 3: Cross multiply
   9,885.61x = 14,757.89 × 9,539.59
4. Step 4: Simplify right side
   9,885.61x = 140,784,219.87
5. Step 5: Solve for x
   x = 140,784,219.87/9,885.61
6. Step 6: Final answer
   x = 14,241.33