Finding the Fourth Proportional to 12,285.34, 16,953.82 and 7,181.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,285.34 : 16,953.82 = 7,181.15 : x
2. Step 2: Convert to fraction form
   12,285.34/16,953.82 = 7,181.15/x
3. Step 3: Cross multiply
   12,285.34x = 16,953.82 × 7,181.15
4. Step 4: Simplify right side
   12,285.34x = 121,747,821.77
5. Step 5: Solve for x
   x = 121,747,821.77/12,285.34
6. Step 6: Final answer
   x = 9,910.01