Finding the Fourth Proportional to 12,307, 18,460.42 and 3,073

Step by Step Solution

1. Step 1: Write the proportion equation
   12,307 : 18,460.42 = 3,073 : x
2. Step 2: Convert to fraction form
   12,307/18,460.42 = 3,073/x
3. Step 3: Cross multiply
   12,307x = 18,460.42 × 3,073
4. Step 4: Simplify right side
   12,307x = 56,728,870.66
5. Step 5: Solve for x
   x = 56,728,870.66/12,307
6. Step 6: Final answer
   x = 4,609.48