Finding the Fourth Proportional to 14,980.76, 20,672.56 and 8,267.02

Step by Step Solution

1. Step 1: Write the proportion equation
   14,980.76 : 20,672.56 = 8,267.02 : x
2. Step 2: Convert to fraction form
   14,980.76/20,672.56 = 8,267.02/x
3. Step 3: Cross multiply
   14,980.76x = 20,672.56 × 8,267.02
4. Step 4: Simplify right side
   14,980.76x = 170,900,503.15
5. Step 5: Solve for x
   x = 170,900,503.15/14,980.76
6. Step 6: Final answer
   x = 11,408.00