Finding the Fourth Proportional to 16,680.84, 23,019.38 and 9,127.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,680.84 : 23,019.38 = 9,127.32 : x
2. Step 2: Convert to fraction form
   16,680.84/23,019.38 = 9,127.32/x
3. Step 3: Cross multiply
   16,680.84x = 23,019.38 × 9,127.32
4. Step 4: Simplify right side
   16,680.84x = 210,105,247.46
5. Step 5: Solve for x
   x = 210,105,247.46/16,680.84
6. Step 6: Final answer
   x = 12,595.60