Finding the Fourth Proportional to 13,317.48, 18,377.91 and 7,349.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,317.48 : 18,377.91 = 7,349.13 : x
2. Step 2: Convert to fraction form
   13,317.48/18,377.91 = 7,349.13/x
3. Step 3: Cross multiply
   13,317.48x = 18,377.91 × 7,349.13
4. Step 4: Simplify right side
   13,317.48x = 135,061,649.72
5. Step 5: Solve for x
   x = 135,061,649.72/13,317.48
6. Step 6: Final answer
   x = 10,141.68