Finding the Fourth Proportional to 23,106.72, 34,648.56 and 7,522.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,106.72 : 34,648.56 = 7,522.40 : x
2. Step 2: Convert to fraction form
   23,106.72/34,648.56 = 7,522.40/x
3. Step 3: Cross multiply
   23,106.72x = 34,648.56 × 7,522.40
4. Step 4: Simplify right side
   23,106.72x = 260,640,327.74
5. Step 5: Solve for x
   x = 260,640,327.74/23,106.72
6. Step 6: Final answer
   x = 11,279.85