Finding the Fourth Proportional to 25,145.01, 37,721.59 and 8,506.05

Step by Step Solution

1. Step 1: Write the proportion equation
   25,145.01 : 37,721.59 = 8,506.05 : x
2. Step 2: Convert to fraction form
   25,145.01/37,721.59 = 8,506.05/x
3. Step 3: Cross multiply
   25,145.01x = 37,721.59 × 8,506.05
4. Step 4: Simplify right side
   25,145.01x = 320,861,730.62
5. Step 5: Solve for x
   x = 320,861,730.62/25,145.01
6. Step 6: Final answer
   x = 12,760.45