Finding the Fourth Proportional to 21,734.86, 29,994.82 and 12,303.22

Step by Step Solution

1. Step 1: Write the proportion equation
   21,734.86 : 29,994.82 = 12,303.22 : x
2. Step 2: Convert to fraction form
   21,734.86/29,994.82 = 12,303.22/x
3. Step 3: Cross multiply
   21,734.86x = 29,994.82 × 12,303.22
4. Step 4: Simplify right side
   21,734.86x = 369,032,869.32
5. Step 5: Solve for x
   x = 369,032,869.32/21,734.86
6. Step 6: Final answer
   x = 16,978.85