Finding the Fourth Proportional to 12,056.16, 18,079.72 and 4,156.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,056.16 : 18,079.72 = 4,156.44 : x
2. Step 2: Convert to fraction form
   12,056.16/18,079.72 = 4,156.44/x
3. Step 3: Cross multiply
   12,056.16x = 18,079.72 × 4,156.44
4. Step 4: Simplify right side
   12,056.16x = 75,147,271.40
5. Step 5: Solve for x
   x = 75,147,271.40/12,056.16
6. Step 6: Final answer
   x = 6,233.10