Finding the Fourth Proportional to 13,294.56, 18,346.71 and 7,326.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,294.56 : 18,346.71 = 7,326.18 : x
2. Step 2: Convert to fraction form
   13,294.56/18,346.71 = 7,326.18/x
3. Step 3: Cross multiply
   13,294.56x = 18,346.71 × 7,326.18
4. Step 4: Simplify right side
   13,294.56x = 134,411,299.87
5. Step 5: Solve for x
   x = 134,411,299.87/13,294.56
6. Step 6: Final answer
   x = 10,110.25