Finding the Fourth Proportional to 22,300.44, 30,773.28 and 12,741.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.44 : 30,773.28 = 12,741.36 : x
2. Step 2: Convert to fraction form
   22,300.44/30,773.28 = 12,741.36/x
3. Step 3: Cross multiply
   22,300.44x = 30,773.28 × 12,741.36
4. Step 4: Simplify right side
   22,300.44x = 392,093,438.86
5. Step 5: Solve for x
   x = 392,093,438.86/22,300.44
6. Step 6: Final answer
   x = 17,582.32