Finding the Fourth Proportional to 13,358.24, 18,434.54 and 7,693.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,358.24 : 18,434.54 = 7,693.98 : x
2. Step 2: Convert to fraction form
   13,358.24/18,434.54 = 7,693.98/x
3. Step 3: Cross multiply
   13,358.24x = 18,434.54 × 7,693.98
4. Step 4: Simplify right side
   13,358.24x = 141,835,001.30
5. Step 5: Solve for x
   x = 141,835,001.30/13,358.24
6. Step 6: Final answer
   x = 10,617.79