Finding the Fourth Proportional to 22,461.88, 30,997.32 and 12,253

Step by Step Solution

1. Step 1: Write the proportion equation
   22,461.88 : 30,997.32 = 12,253 : x
2. Step 2: Convert to fraction form
   22,461.88/30,997.32 = 12,253/x
3. Step 3: Cross multiply
   22,461.88x = 30,997.32 × 12,253
4. Step 4: Simplify right side
   22,461.88x = 379,810,161.96
5. Step 5: Solve for x
   x = 379,810,161.96/22,461.88
6. Step 6: Final answer
   x = 16,909.10