Finding the Fourth Proportional to 12,293.34, 18,440 and 3,974.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,293.34 : 18,440 = 3,974.59 : x
2. Step 2: Convert to fraction form
   12,293.34/18,440 = 3,974.59/x
3. Step 3: Cross multiply
   12,293.34x = 18,440 × 3,974.59
4. Step 4: Simplify right side
   12,293.34x = 73,291,439.60
5. Step 5: Solve for x
   x = 73,291,439.60/12,293.34
6. Step 6: Final answer
   x = 5,961.88