Finding the Fourth Proportional to 14,342.72, 19,787.42 and 10,574.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,342.72 : 19,787.42 = 10,574.82 : x
2. Step 2: Convert to fraction form
   14,342.72/19,787.42 = 10,574.82/x
3. Step 3: Cross multiply
   14,342.72x = 19,787.42 × 10,574.82
4. Step 4: Simplify right side
   14,342.72x = 209,248,351.89
5. Step 5: Solve for x
   x = 209,248,351.89/14,342.72
6. Step 6: Final answer
   x = 14,589.17