Finding the Fourth Proportional to 12,714.93, 19,072.41 and 5,315.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.93 : 19,072.41 = 5,315.34 : x
2. Step 2: Convert to fraction form
   12,714.93/19,072.41 = 5,315.34/x
3. Step 3: Cross multiply
   12,714.93x = 19,072.41 × 5,315.34
4. Step 4: Simplify right side
   12,714.93x = 101,376,343.77
5. Step 5: Solve for x
   x = 101,376,343.77/12,714.93
6. Step 6: Final answer
   x = 7,973.02