Finding the Fourth Proportional to 12,006.78, 17,985.69 and 9,793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,006.78 : 17,985.69 = 9,793.50 : x
2. Step 2: Convert to fraction form
   12,006.78/17,985.69 = 9,793.50/x
3. Step 3: Cross multiply
   12,006.78x = 17,985.69 × 9,793.50
4. Step 4: Simplify right side
   12,006.78x = 176,142,855.02
5. Step 5: Solve for x
   x = 176,142,855.02/12,006.78
6. Step 6: Final answer
   x = 14,670.28