Finding the Fourth Proportional to 12,326.22, 18,495 and 4,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,326.22 : 18,495 = 4,540.50 : x
2. Step 2: Convert to fraction form
   12,326.22/18,495 = 4,540.50/x
3. Step 3: Cross multiply
   12,326.22x = 18,495 × 4,540.50
4. Step 4: Simplify right side
   12,326.22x = 83,976,547.50
5. Step 5: Solve for x
   x = 83,976,547.50/12,326.22
6. Step 6: Final answer
   x = 6,812.84