Finding the Fourth Proportional to 14,646.72, 21,973.48 and 4,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,646.72 : 21,973.48 = 4,786.72 : x
2. Step 2: Convert to fraction form
   14,646.72/21,973.48 = 4,786.72/x
3. Step 3: Cross multiply
   14,646.72x = 21,973.48 × 4,786.72
4. Step 4: Simplify right side
   14,646.72x = 105,180,896.19
5. Step 5: Solve for x
   x = 105,180,896.19/14,646.72
6. Step 6: Final answer
   x = 7,181.19