Finding the Fourth Proportional to 14,978.22, 20,670.06 and 8,264.33

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978.22 : 20,670.06 = 8,264.33 : x
2. Step 2: Convert to fraction form
   14,978.22/20,670.06 = 8,264.33/x
3. Step 3: Cross multiply
   14,978.22x = 20,670.06 × 8,264.33
4. Step 4: Simplify right side
   14,978.22x = 170,824,124.60
5. Step 5: Solve for x
   x = 170,824,124.60/14,978.22
6. Step 6: Final answer
   x = 11,404.83