Finding the Fourth Proportional to 12,714.42, 19,074.58 and 3,948.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.42 : 19,074.58 = 3,948.86 : x
2. Step 2: Convert to fraction form
   12,714.42/19,074.58 = 3,948.86/x
3. Step 3: Cross multiply
   12,714.42x = 19,074.58 × 3,948.86
4. Step 4: Simplify right side
   12,714.42x = 75,322,845.98
5. Step 5: Solve for x
   x = 75,322,845.98/12,714.42
6. Step 6: Final answer
   x = 5,924.21