Finding the Fourth Proportional to 14,774.31, 20,388.69 and 8,059.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,774.31 : 20,388.69 = 8,059.89 : x
2. Step 2: Convert to fraction form
   14,774.31/20,388.69 = 8,059.89/x
3. Step 3: Cross multiply
   14,774.31x = 20,388.69 × 8,059.89
4. Step 4: Simplify right side
   14,774.31x = 164,330,598.64
5. Step 5: Solve for x
   x = 164,330,598.64/14,774.31
6. Step 6: Final answer
   x = 11,122.73