Finding the Fourth Proportional to 13,323.14, 18,383.62 and 7,656.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,323.14 : 18,383.62 = 7,656.56 : x
2. Step 2: Convert to fraction form
   13,323.14/18,383.62 = 7,656.56/x
3. Step 3: Cross multiply
   13,323.14x = 18,383.62 × 7,656.56
4. Step 4: Simplify right side
   13,323.14x = 140,755,289.55
5. Step 5: Solve for x
   x = 140,755,289.55/13,323.14
6. Step 6: Final answer
   x = 10,564.72