Finding the Fourth Proportional to 14,315.25, 19,754.34 and 7,942.09

Step by Step Solution

1. Step 1: Write the proportion equation
   14,315.25 : 19,754.34 = 7,942.09 : x
2. Step 2: Convert to fraction form
   14,315.25/19,754.34 = 7,942.09/x
3. Step 3: Cross multiply
   14,315.25x = 19,754.34 × 7,942.09
4. Step 4: Simplify right side
   14,315.25x = 156,890,746.17
5. Step 5: Solve for x
   x = 156,890,746.17/14,315.25
6. Step 6: Final answer
   x = 10,959.70