Finding the Fourth Proportional to 23,613.38, 35,411.56 and 7,815.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,613.38 : 35,411.56 = 7,815.49 : x
2. Step 2: Convert to fraction form
   23,613.38/35,411.56 = 7,815.49/x
3. Step 3: Cross multiply
   23,613.38x = 35,411.56 × 7,815.49
4. Step 4: Simplify right side
   23,613.38x = 276,758,653.99
5. Step 5: Solve for x
   x = 276,758,653.99/23,613.38
6. Step 6: Final answer
   x = 11,720.42