Finding the Fourth Proportional to 8,056.38, 12,080.47 and 3,127.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,056.38 : 12,080.47 = 3,127.43 : x
2. Step 2: Convert to fraction form
   8,056.38/12,080.47 = 3,127.43/x
3. Step 3: Cross multiply
   8,056.38x = 12,080.47 × 3,127.43
4. Step 4: Simplify right side
   8,056.38x = 37,780,824.29
5. Step 5: Solve for x
   x = 37,780,824.29/8,056.38
6. Step 6: Final answer
   x = 4,689.55