Finding the Fourth Proportional to 22,876.76, 34,321.06 and 13,397.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,876.76 : 34,321.06 = 13,397.09 : x
2. Step 2: Convert to fraction form
   22,876.76/34,321.06 = 13,397.09/x
3. Step 3: Cross multiply
   22,876.76x = 34,321.06 × 13,397.09
4. Step 4: Simplify right side
   22,876.76x = 459,802,329.72
5. Step 5: Solve for x
   x = 459,802,329.72/22,876.76
6. Step 6: Final answer
   x = 20,099.10