Finding the Fourth Proportional to 21,600.22, 32,499.15 and 12,841.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,600.22 : 32,499.15 = 12,841.69 : x
2. Step 2: Convert to fraction form
   21,600.22/32,499.15 = 12,841.69/x
3. Step 3: Cross multiply
   21,600.22x = 32,499.15 × 12,841.69
4. Step 4: Simplify right side
   21,600.22x = 417,344,009.56
5. Step 5: Solve for x
   x = 417,344,009.56/21,600.22
6. Step 6: Final answer
   x = 19,321.29