Finding the Fourth Proportional to 21,550.86, 29,738.34 and 12,597.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,550.86 : 29,738.34 = 12,597.32 : x
2. Step 2: Convert to fraction form
   21,550.86/29,738.34 = 12,597.32/x
3. Step 3: Cross multiply
   21,550.86x = 29,738.34 × 12,597.32
4. Step 4: Simplify right side
   21,550.86x = 374,623,459.59
5. Step 5: Solve for x
   x = 374,623,459.59/21,550.86
6. Step 6: Final answer
   x = 17,383.23