Finding the Fourth Proportional to 23,150.21, 34,718.15 and 8,357.24

Step by Step Solution

1. Step 1: Write the proportion equation
   23,150.21 : 34,718.15 = 8,357.24 : x
2. Step 2: Convert to fraction form
   23,150.21/34,718.15 = 8,357.24/x
3. Step 3: Cross multiply
   23,150.21x = 34,718.15 × 8,357.24
4. Step 4: Simplify right side
   23,150.21x = 290,148,019.59
5. Step 5: Solve for x
   x = 290,148,019.59/23,150.21
6. Step 6: Final answer
   x = 12,533.28