Finding the Fourth Proportional to 21,826.58, 30,123.33 and 12,397.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,826.58 : 30,123.33 = 12,397.46 : x
2. Step 2: Convert to fraction form
   21,826.58/30,123.33 = 12,397.46/x
3. Step 3: Cross multiply
   21,826.58x = 30,123.33 × 12,397.46
4. Step 4: Simplify right side
   21,826.58x = 373,452,778.74
5. Step 5: Solve for x
   x = 373,452,778.74/21,826.58
6. Step 6: Final answer
   x = 17,110.00