Finding the Fourth Proportional to 14,248.94, 19,663.59 and 7,961.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,248.94 : 19,663.59 = 7,961.42 : x
2. Step 2: Convert to fraction form
   14,248.94/19,663.59 = 7,961.42/x
3. Step 3: Cross multiply
   14,248.94x = 19,663.59 × 7,961.42
4. Step 4: Simplify right side
   14,248.94x = 156,550,098.70
5. Step 5: Solve for x
   x = 156,550,098.70/14,248.94
6. Step 6: Final answer
   x = 10,986.79