Finding the Fourth Proportional to 14,650.06, 21,968.50 and 8,729.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,650.06 : 21,968.50 = 8,729.72 : x
2. Step 2: Convert to fraction form
   14,650.06/21,968.50 = 8,729.72/x
3. Step 3: Cross multiply
   14,650.06x = 21,968.50 × 8,729.72
4. Step 4: Simplify right side
   14,650.06x = 191,778,853.82
5. Step 5: Solve for x
   x = 191,778,853.82/14,650.06
6. Step 6: Final answer
   x = 13,090.65