Finding the Fourth Proportional to 16,199.76, 22,354.32 and 9,484.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,199.76 : 22,354.32 = 9,484.48 : x
2. Step 2: Convert to fraction form
   16,199.76/22,354.32 = 9,484.48/x
3. Step 3: Cross multiply
   16,199.76x = 22,354.32 × 9,484.48
4. Step 4: Simplify right side
   16,199.76x = 212,019,100.95
5. Step 5: Solve for x
   x = 212,019,100.95/16,199.76
6. Step 6: Final answer
   x = 13,087.79