Finding the Fourth Proportional to 16,219.71, 22,383.54 and 9,510.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,219.71 : 22,383.54 = 9,510.48 : x
2. Step 2: Convert to fraction form
   16,219.71/22,383.54 = 9,510.48/x
3. Step 3: Cross multiply
   16,219.71x = 22,383.54 × 9,510.48
4. Step 4: Simplify right side
   16,219.71x = 212,878,209.50
5. Step 5: Solve for x
   x = 212,878,209.50/16,219.71
6. Step 6: Final answer
   x = 13,124.66