Finding the Fourth Proportional to 22,870.72, 34,289.88 and 8,818.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,870.72 : 34,289.88 = 8,818.84 : x
2. Step 2: Convert to fraction form
   22,870.72/34,289.88 = 8,818.84/x
3. Step 3: Cross multiply
   22,870.72x = 34,289.88 × 8,818.84
4. Step 4: Simplify right side
   22,870.72x = 302,396,965.34
5. Step 5: Solve for x
   x = 302,396,965.34/22,870.72
6. Step 6: Final answer
   x = 13,222.01