Finding the Fourth Proportional to 14,494.72, 21,742.18 and 3,964.51

Step by Step Solution

1. Step 1: Write the proportion equation
   14,494.72 : 21,742.18 = 3,964.51 : x
2. Step 2: Convert to fraction form
   14,494.72/21,742.18 = 3,964.51/x
3. Step 3: Cross multiply
   14,494.72x = 21,742.18 × 3,964.51
4. Step 4: Simplify right side
   14,494.72x = 86,197,090.03
5. Step 5: Solve for x
   x = 86,197,090.03/14,494.72
6. Step 6: Final answer
   x = 5,946.79