Finding the Fourth Proportional to 13,294.64, 18,345.89 and 7,325.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,294.64 : 18,345.89 = 7,325.15 : x
2. Step 2: Convert to fraction form
   13,294.64/18,345.89 = 7,325.15/x
3. Step 3: Cross multiply
   13,294.64x = 18,345.89 × 7,325.15
4. Step 4: Simplify right side
   13,294.64x = 134,386,322.72
5. Step 5: Solve for x
   x = 134,386,322.72/13,294.64
6. Step 6: Final answer
   x = 10,108.31