Finding the Fourth Proportional to 22,768.57, 34,156.05 and 7,974.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,768.57 : 34,156.05 = 7,974.10 : x
2. Step 2: Convert to fraction form
   22,768.57/34,156.05 = 7,974.10/x
3. Step 3: Cross multiply
   22,768.57x = 34,156.05 × 7,974.10
4. Step 4: Simplify right side
   22,768.57x = 272,363,758.31
5. Step 5: Solve for x
   x = 272,363,758.31/22,768.57
6. Step 6: Final answer
   x = 11,962.27