Finding the Fourth Proportional to 12,238.04, 18,359.42 and 5,217.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238.04 : 18,359.42 = 5,217.93 : x
2. Step 2: Convert to fraction form
   12,238.04/18,359.42 = 5,217.93/x
3. Step 3: Cross multiply
   12,238.04x = 18,359.42 × 5,217.93
4. Step 4: Simplify right side
   12,238.04x = 95,798,142.31
5. Step 5: Solve for x
   x = 95,798,142.31/12,238.04
6. Step 6: Final answer
   x = 7,827.90