Finding the Fourth Proportional to 25,078.05, 37,603.71 and 8,432.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,078.05 : 37,603.71 = 8,432.55 : x
2. Step 2: Convert to fraction form
   25,078.05/37,603.71 = 8,432.55/x
3. Step 3: Cross multiply
   25,078.05x = 37,603.71 × 8,432.55
4. Step 4: Simplify right side
   25,078.05x = 317,095,164.76
5. Step 5: Solve for x
   x = 317,095,164.76/25,078.05
6. Step 6: Final answer
   x = 12,644.33