Finding the Fourth Proportional to 22,204.76, 30,643.52 and 12,773.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,204.76 : 30,643.52 = 12,773.32 : x
2. Step 2: Convert to fraction form
   22,204.76/30,643.52 = 12,773.32/x
3. Step 3: Cross multiply
   22,204.76x = 30,643.52 × 12,773.32
4. Step 4: Simplify right side
   22,204.76x = 391,419,486.89
5. Step 5: Solve for x
   x = 391,419,486.89/22,204.76
6. Step 6: Final answer
   x = 17,627.73