Finding the Fourth Proportional to 22,109.52, 30,507.60 and 12,676.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.52 : 30,507.60 = 12,676.32 : x
2. Step 2: Convert to fraction form
   22,109.52/30,507.60 = 12,676.32/x
3. Step 3: Cross multiply
   22,109.52x = 30,507.60 × 12,676.32
4. Step 4: Simplify right side
   22,109.52x = 386,724,100.03
5. Step 5: Solve for x
   x = 386,724,100.03/22,109.52
6. Step 6: Final answer
   x = 17,491.29