Finding the Fourth Proportional to 9,833.62, 13,573.89 and 8,783.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,833.62 : 13,573.89 = 8,783.86 : x
2. Step 2: Convert to fraction form
   9,833.62/13,573.89 = 8,783.86/x
3. Step 3: Cross multiply
   9,833.62x = 13,573.89 × 8,783.86
4. Step 4: Simplify right side
   9,833.62x = 119,231,149.42
5. Step 5: Solve for x
   x = 119,231,149.42/9,833.62
6. Step 6: Final answer
   x = 12,124.85