Finding the Fourth Proportional to 22,099.84, 30,499.14 and 12,669.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,099.84 : 30,499.14 = 12,669.82 : x
2. Step 2: Convert to fraction form
   22,099.84/30,499.14 = 12,669.82/x
3. Step 3: Cross multiply
   22,099.84x = 30,499.14 × 12,669.82
4. Step 4: Simplify right side
   22,099.84x = 386,418,613.95
5. Step 5: Solve for x
   x = 386,418,613.95/22,099.84
6. Step 6: Final answer
   x = 17,485.13