Finding the Fourth Proportional to 16,669.88, 23,003.48 and 9,114.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,669.88 : 23,003.48 = 9,114.80 : x
2. Step 2: Convert to fraction form
   16,669.88/23,003.48 = 9,114.80/x
3. Step 3: Cross multiply
   16,669.88x = 23,003.48 × 9,114.80
4. Step 4: Simplify right side
   16,669.88x = 209,672,199.80
5. Step 5: Solve for x
   x = 209,672,199.80/16,669.88
6. Step 6: Final answer
   x = 12,577.91