Finding the Fourth Proportional to 8,667.76, 13,002.99 and 2,823.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.76 : 13,002.99 = 2,823.01 : x
2. Step 2: Convert to fraction form
   8,667.76/13,002.99 = 2,823.01/x
3. Step 3: Cross multiply
   8,667.76x = 13,002.99 × 2,823.01
4. Step 4: Simplify right side
   8,667.76x = 36,707,570.80
5. Step 5: Solve for x
   x = 36,707,570.80/8,667.76
6. Step 6: Final answer
   x = 4,234.95