Finding the Fourth Proportional to 12,446.82, 18,676.71 and 5,056.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,446.82 : 18,676.71 = 5,056.74 : x
2. Step 2: Convert to fraction form
   12,446.82/18,676.71 = 5,056.74/x
3. Step 3: Cross multiply
   12,446.82x = 18,676.71 × 5,056.74
4. Step 4: Simplify right side
   12,446.82x = 94,443,266.53
5. Step 5: Solve for x
   x = 94,443,266.53/12,446.82
6. Step 6: Final answer
   x = 7,587.74