Finding the Fourth Proportional to 12,385.86, 18,562.59 and 10,735.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.86 : 18,562.59 = 10,735.62 : x
2. Step 2: Convert to fraction form
   12,385.86/18,562.59 = 10,735.62/x
3. Step 3: Cross multiply
   12,385.86x = 18,562.59 × 10,735.62
4. Step 4: Simplify right side
   12,385.86x = 199,280,912.46
5. Step 5: Solve for x
   x = 199,280,912.46/12,385.86
6. Step 6: Final answer
   x = 16,089.39