Finding the Fourth Proportional to 12,317.25, 18,473.57 and 3,997.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,317.25 : 18,473.57 = 3,997.34 : x
2. Step 2: Convert to fraction form
   12,317.25/18,473.57 = 3,997.34/x
3. Step 3: Cross multiply
   12,317.25x = 18,473.57 × 3,997.34
4. Step 4: Simplify right side
   12,317.25x = 73,845,157.34
5. Step 5: Solve for x
   x = 73,845,157.34/12,317.25
6. Step 6: Final answer
   x = 5,995.26