Finding the Fourth Proportional to 16,633.74, 22,953.59 and 9,078.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,633.74 : 22,953.59 = 9,078.57 : x
2. Step 2: Convert to fraction form
   16,633.74/22,953.59 = 9,078.57/x
3. Step 3: Cross multiply
   16,633.74x = 22,953.59 × 9,078.57
4. Step 4: Simplify right side
   16,633.74x = 208,385,728.17
5. Step 5: Solve for x
   x = 208,385,728.17/16,633.74
6. Step 6: Final answer
   x = 12,527.89