Finding the Fourth Proportional to 22,099.53, 30,499.02 and 12,669.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,099.53 : 30,499.02 = 12,669.51 : x
2. Step 2: Convert to fraction form
   22,099.53/30,499.02 = 12,669.51/x
3. Step 3: Cross multiply
   22,099.53x = 30,499.02 × 12,669.51
4. Step 4: Simplify right side
   22,099.53x = 386,407,638.88
5. Step 5: Solve for x
   x = 386,407,638.88/22,099.53
6. Step 6: Final answer
   x = 17,484.88