Finding the Fourth Proportional to 16,680.47, 23,019.59 and 9,510.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,680.47 : 23,019.59 = 9,510.25 : x
2. Step 2: Convert to fraction form
   16,680.47/23,019.59 = 9,510.25/x
3. Step 3: Cross multiply
   16,680.47x = 23,019.59 × 9,510.25
4. Step 4: Simplify right side
   16,680.47x = 218,922,055.80
5. Step 5: Solve for x
   x = 218,922,055.80/16,680.47
6. Step 6: Final answer
   x = 13,124.45