Finding the Fourth Proportional to 13,314.69, 18,373.55 and 7,345.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,314.69 : 18,373.55 = 7,345.19 : x
2. Step 2: Convert to fraction form
   13,314.69/18,373.55 = 7,345.19/x
3. Step 3: Cross multiply
   13,314.69x = 18,373.55 × 7,345.19
4. Step 4: Simplify right side
   13,314.69x = 134,957,123.86
5. Step 5: Solve for x
   x = 134,957,123.86/13,314.69
6. Step 6: Final answer
   x = 10,135.96