Finding the Fourth Proportional to 14,667.43, 21,988.78 and 9,974.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,667.43 : 21,988.78 = 9,974.29 : x
2. Step 2: Convert to fraction form
   14,667.43/21,988.78 = 9,974.29/x
3. Step 3: Cross multiply
   14,667.43x = 21,988.78 × 9,974.29
4. Step 4: Simplify right side
   14,667.43x = 219,322,468.47
5. Step 5: Solve for x
   x = 219,322,468.47/14,667.43
6. Step 6: Final answer
   x = 14,953.03