Finding the Fourth Proportional to 16,677.04, 23,014.15 and 9,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,677.04 : 23,014.15 = 9,123.30 : x
2. Step 2: Convert to fraction form
   16,677.04/23,014.15 = 9,123.30/x
3. Step 3: Cross multiply
   16,677.04x = 23,014.15 × 9,123.30
4. Step 4: Simplify right side
   16,677.04x = 209,964,994.70
5. Step 5: Solve for x
   x = 209,964,994.70/16,677.04
6. Step 6: Final answer
   x = 12,590.06