Finding the Fourth Proportional to 25,676.06, 35,426.90 and 14,914.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,676.06 : 35,426.90 = 14,914.55 : x
2. Step 2: Convert to fraction form
   25,676.06/35,426.90 = 14,914.55/x
3. Step 3: Cross multiply
   25,676.06x = 35,426.90 × 14,914.55
4. Step 4: Simplify right side
   25,676.06x = 528,376,019.69
5. Step 5: Solve for x
   x = 528,376,019.69/25,676.06
6. Step 6: Final answer
   x = 20,578.55