Finding the Fourth Proportional to 14,166.03, 19,549.41 and 7,878.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,166.03 : 19,549.41 = 7,878.42 : x
2. Step 2: Convert to fraction form
   14,166.03/19,549.41 = 7,878.42/x
3. Step 3: Cross multiply
   14,166.03x = 19,549.41 × 7,878.42
4. Step 4: Simplify right side
   14,166.03x = 154,018,462.73
5. Step 5: Solve for x
   x = 154,018,462.73/14,166.03
6. Step 6: Final answer
   x = 10,872.38