Finding the Fourth Proportional to 16,825.84, 23,219.55 and 9,272

Step by Step Solution

1. Step 1: Write the proportion equation
   16,825.84 : 23,219.55 = 9,272 : x
2. Step 2: Convert to fraction form
   16,825.84/23,219.55 = 9,272/x
3. Step 3: Cross multiply
   16,825.84x = 23,219.55 × 9,272
4. Step 4: Simplify right side
   16,825.84x = 215,291,667.60
5. Step 5: Solve for x
   x = 215,291,667.60/16,825.84
6. Step 6: Final answer
   x = 12,795.30