Finding the Fourth Proportional to 14,455.62, 21,667.86 and 9,456.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,455.62 : 21,667.86 = 9,456.10 : x
2. Step 2: Convert to fraction form
   14,455.62/21,667.86 = 9,456.10/x
3. Step 3: Cross multiply
   14,455.62x = 21,667.86 × 9,456.10
4. Step 4: Simplify right side
   14,455.62x = 204,893,396.78
5. Step 5: Solve for x
   x = 204,893,396.78/14,455.62
6. Step 6: Final answer
   x = 14,173.96