Finding the Fourth Proportional to 22,710, 34,064.76 and 8,868.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,710 : 34,064.76 = 8,868.72 : x
2. Step 2: Convert to fraction form
   22,710/34,064.76 = 8,868.72/x
3. Step 3: Cross multiply
   22,710x = 34,064.76 × 8,868.72
4. Step 4: Simplify right side
   22,710x = 302,110,818.31
5. Step 5: Solve for x
   x = 302,110,818.31/22,710
6. Step 6: Final answer
   x = 13,302.99