Finding the Fourth Proportional to 13,322.24, 18,384.96 and 7,733.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,322.24 : 18,384.96 = 7,733.76 : x
2. Step 2: Convert to fraction form
   13,322.24/18,384.96 = 7,733.76/x
3. Step 3: Cross multiply
   13,322.24x = 18,384.96 × 7,733.76
4. Step 4: Simplify right side
   13,322.24x = 142,184,868.25
5. Step 5: Solve for x
   x = 142,184,868.25/13,322.24
6. Step 6: Final answer
   x = 10,672.74