Finding the Fourth Proportional to 17,886.78, 24,688.29 and 12,223.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,886.78 : 24,688.29 = 12,223.83 : x
2. Step 2: Convert to fraction form
   17,886.78/24,688.29 = 12,223.83/x
3. Step 3: Cross multiply
   17,886.78x = 24,688.29 × 12,223.83
4. Step 4: Simplify right side
   17,886.78x = 301,785,459.95
5. Step 5: Solve for x
   x = 301,785,459.95/17,886.78
6. Step 6: Final answer
   x = 16,871.98