Finding the Fourth Proportional to 12,294.86, 18,443.34 and 5,275.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,294.86 : 18,443.34 = 5,275.18 : x
2. Step 2: Convert to fraction form
   12,294.86/18,443.34 = 5,275.18/x
3. Step 3: Cross multiply
   12,294.86x = 18,443.34 × 5,275.18
4. Step 4: Simplify right side
   12,294.86x = 97,291,938.30
5. Step 5: Solve for x
   x = 97,291,938.30/12,294.86
6. Step 6: Final answer
   x = 7,913.22