Finding the Fourth Proportional to 12,714.42, 19,074.15 and 3,948.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.42 : 19,074.15 = 3,948.96 : x
2. Step 2: Convert to fraction form
   12,714.42/19,074.15 = 3,948.96/x
3. Step 3: Cross multiply
   12,714.42x = 19,074.15 × 3,948.96
4. Step 4: Simplify right side
   12,714.42x = 75,323,055.38
5. Step 5: Solve for x
   x = 75,323,055.38/12,714.42
6. Step 6: Final answer
   x = 5,924.22