Finding the Fourth Proportional to 22,176.32, 30,603.88 and 13,225.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,176.32 : 30,603.88 = 13,225.56 : x
2. Step 2: Convert to fraction form
   22,176.32/30,603.88 = 13,225.56/x
3. Step 3: Cross multiply
   22,176.32x = 30,603.88 × 13,225.56
4. Step 4: Simplify right side
   22,176.32x = 404,753,451.17
5. Step 5: Solve for x
   x = 404,753,451.17/22,176.32
6. Step 6: Final answer
   x = 18,251.61