Finding the Fourth Proportional to 25,962.08, 38,939.46 and 8,432.12

Step by Step Solution

1. Step 1: Write the proportion equation
   25,962.08 : 38,939.46 = 8,432.12 : x
2. Step 2: Convert to fraction form
   25,962.08/38,939.46 = 8,432.12/x
3. Step 3: Cross multiply
   25,962.08x = 38,939.46 × 8,432.12
4. Step 4: Simplify right side
   25,962.08x = 328,342,199.46
5. Step 5: Solve for x
   x = 328,342,199.46/25,962.08
6. Step 6: Final answer
   x = 12,646.99