Finding the Fourth Proportional to 12,317.59, 18,476.22 and 8,359.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,317.59 : 18,476.22 = 8,359.03 : x
2. Step 2: Convert to fraction form
   12,317.59/18,476.22 = 8,359.03/x
3. Step 3: Cross multiply
   12,317.59x = 18,476.22 × 8,359.03
4. Step 4: Simplify right side
   12,317.59x = 154,443,277.27
5. Step 5: Solve for x
   x = 154,443,277.27/12,317.59
6. Step 6: Final answer
   x = 12,538.43