Finding the Fourth Proportional to 13,302.77, 18,357.72 and 7,334.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,302.77 : 18,357.72 = 7,334.69 : x
2. Step 2: Convert to fraction form
   13,302.77/18,357.72 = 7,334.69/x
3. Step 3: Cross multiply
   13,302.77x = 18,357.72 × 7,334.69
4. Step 4: Simplify right side
   13,302.77x = 134,648,185.31
5. Step 5: Solve for x
   x = 134,648,185.31/13,302.77
6. Step 6: Final answer
   x = 10,121.82