Finding the Fourth Proportional to 14,575.82, 20,066.00 and 13,906.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,575.82 : 20,066.00 = 13,906.31 : x
2. Step 2: Convert to fraction form
   14,575.82/20,066.00 = 13,906.31/x
3. Step 3: Cross multiply
   14,575.82x = 20,066.00 × 13,906.31
4. Step 4: Simplify right side
   14,575.82x = 279,043,997.09
5. Step 5: Solve for x
   x = 279,043,997.09/14,575.82
6. Step 6: Final answer
   x = 19,144.31