Finding the Fourth Proportional to 14,436.73, 21,630.45 and 7,851.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,436.73 : 21,630.45 = 7,851.16 : x
2. Step 2: Convert to fraction form
   14,436.73/21,630.45 = 7,851.16/x
3. Step 3: Cross multiply
   14,436.73x = 21,630.45 × 7,851.16
4. Step 4: Simplify right side
   14,436.73x = 169,824,123.82
5. Step 5: Solve for x
   x = 169,824,123.82/14,436.73
6. Step 6: Final answer
   x = 11,763.34