Finding the Fourth Proportional to 14,978.33, 20,669.96 and 8,264.01

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978.33 : 20,669.96 = 8,264.01 : x
2. Step 2: Convert to fraction form
   14,978.33/20,669.96 = 8,264.01/x
3. Step 3: Cross multiply
   14,978.33x = 20,669.96 × 8,264.01
4. Step 4: Simplify right side
   14,978.33x = 170,816,756.14
5. Step 5: Solve for x
   x = 170,816,756.14/14,978.33
6. Step 6: Final answer
   x = 11,404.26