Finding the Fourth Proportional to 9,243.77, 12,741.39 and 7,223.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.77 : 12,741.39 = 7,223.63 : x
2. Step 2: Convert to fraction form
   9,243.77/12,741.39 = 7,223.63/x
3. Step 3: Cross multiply
   9,243.77x = 12,741.39 × 7,223.63
4. Step 4: Simplify right side
   9,243.77x = 92,039,023.34
5. Step 5: Solve for x
   x = 92,039,023.34/9,243.77
6. Step 6: Final answer
   x = 9,956.88