Finding the Fourth Proportional to 13,082.50, 18,054.12 and 7,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,082.50 : 18,054.12 = 7,493.50 : x
2. Step 2: Convert to fraction form
   13,082.50/18,054.12 = 7,493.50/x
3. Step 3: Cross multiply
   13,082.50x = 18,054.12 × 7,493.50
4. Step 4: Simplify right side
   13,082.50x = 135,288,548.22
5. Step 5: Solve for x
   x = 135,288,548.22/13,082.50
6. Step 6: Final answer
   x = 10,341.18