Finding the Fourth Proportional to 13,160.38, 18,162.50 and 7,493.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,160.38 : 18,162.50 = 7,493.89 : x
2. Step 2: Convert to fraction form
   13,160.38/18,162.50 = 7,493.89/x
3. Step 3: Cross multiply
   13,160.38x = 18,162.50 × 7,493.89
4. Step 4: Simplify right side
   13,160.38x = 136,107,777.13
5. Step 5: Solve for x
   x = 136,107,777.13/13,160.38
6. Step 6: Final answer
   x = 10,342.24