Finding the Fourth Proportional to 12,070.72, 18,103.62 and 3,304.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,070.72 : 18,103.62 = 3,304.96 : x
2. Step 2: Convert to fraction form
   12,070.72/18,103.62 = 3,304.96/x
3. Step 3: Cross multiply
   12,070.72x = 18,103.62 × 3,304.96
4. Step 4: Simplify right side
   12,070.72x = 59,831,739.96
5. Step 5: Solve for x
   x = 59,831,739.96/12,070.72
6. Step 6: Final answer
   x = 4,956.77