Finding the Fourth Proportional to 14,248.78, 19,662.69 and 7,961.02

Step by Step Solution

1. Step 1: Write the proportion equation
   14,248.78 : 19,662.69 = 7,961.02 : x
2. Step 2: Convert to fraction form
   14,248.78/19,662.69 = 7,961.02/x
3. Step 3: Cross multiply
   14,248.78x = 19,662.69 × 7,961.02
4. Step 4: Simplify right side
   14,248.78x = 156,535,068.34
5. Step 5: Solve for x
   x = 156,535,068.34/14,248.78
6. Step 6: Final answer
   x = 10,985.86