Finding the Fourth Proportional to 12,714.29, 19,071.89 and 3,948.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.29 : 19,071.89 = 3,948.98 : x
2. Step 2: Convert to fraction form
   12,714.29/19,071.89 = 3,948.98/x
3. Step 3: Cross multiply
   12,714.29x = 19,071.89 × 3,948.98
4. Step 4: Simplify right side
   12,714.29x = 75,314,397.07
5. Step 5: Solve for x
   x = 75,314,397.07/12,714.29
6. Step 6: Final answer
   x = 5,923.60