Finding the Fourth Proportional to 25,158.34, 37,734.63 and 8,518.42

Step by Step Solution

1. Step 1: Write the proportion equation
   25,158.34 : 37,734.63 = 8,518.42 : x
2. Step 2: Convert to fraction form
   25,158.34/37,734.63 = 8,518.42/x
3. Step 3: Cross multiply
   25,158.34x = 37,734.63 × 8,518.42
4. Step 4: Simplify right side
   25,158.34x = 321,439,426.88
5. Step 5: Solve for x
   x = 321,439,426.88/25,158.34
6. Step 6: Final answer
   x = 12,776.65