Finding the Fourth Proportional to 23,150.64, 34,718.78 and 8,357.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,150.64 : 34,718.78 = 8,357.62 : x
2. Step 2: Convert to fraction form
   23,150.64/34,718.78 = 8,357.62/x
3. Step 3: Cross multiply
   23,150.64x = 34,718.78 × 8,357.62
4. Step 4: Simplify right side
   23,150.64x = 290,166,370.10
5. Step 5: Solve for x
   x = 290,166,370.10/23,150.64
6. Step 6: Final answer
   x = 12,533.84