Finding the Fourth Proportional to 14,667.74, 21,957.84 and 10,282.80

Step by Step Solution

1. Step 1: Write the proportion equation
   14,667.74 : 21,957.84 = 10,282.80 : x
2. Step 2: Convert to fraction form
   14,667.74/21,957.84 = 10,282.80/x
3. Step 3: Cross multiply
   14,667.74x = 21,957.84 × 10,282.80
4. Step 4: Simplify right side
   14,667.74x = 225,788,077.15
5. Step 5: Solve for x
   x = 225,788,077.15/14,667.74
6. Step 6: Final answer
   x = 15,393.52