Finding the Fourth Proportional to 13,000.23, 17,940.31 and 7,336.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,000.23 : 17,940.31 = 7,336.18 : x
2. Step 2: Convert to fraction form
   13,000.23/17,940.31 = 7,336.18/x
3. Step 3: Cross multiply
   13,000.23x = 17,940.31 × 7,336.18
4. Step 4: Simplify right side
   13,000.23x = 131,613,253.71
5. Step 5: Solve for x
   x = 131,613,253.71/13,000.23
6. Step 6: Final answer
   x = 10,123.92