Finding the Fourth Proportional to 22,536, 31,101.12 and 12,600

Step by Step Solution

1. Step 1: Write the proportion equation
   22,536 : 31,101.12 = 12,600 : x
2. Step 2: Convert to fraction form
   22,536/31,101.12 = 12,600/x
3. Step 3: Cross multiply
   22,536x = 31,101.12 × 12,600
4. Step 4: Simplify right side
   22,536x = 391,874,112
5. Step 5: Solve for x
   x = 391,874,112/22,536
6. Step 6: Final answer
   x = 17,388.81