Finding the Fourth Proportional to 25,294.78, 37,929.61 and 8,650.09

Step by Step Solution

1. Step 1: Write the proportion equation
   25,294.78 : 37,929.61 = 8,650.09 : x
2. Step 2: Convert to fraction form
   25,294.78/37,929.61 = 8,650.09/x
3. Step 3: Cross multiply
   25,294.78x = 37,929.61 × 8,650.09
4. Step 4: Simplify right side
   25,294.78x = 328,094,307.27
5. Step 5: Solve for x
   x = 328,094,307.27/25,294.78
6. Step 6: Final answer
   x = 12,970.83