Finding the Fourth Proportional to 25,156.82, 37,742.04 and 8,516.85

Step by Step Solution

1. Step 1: Write the proportion equation
   25,156.82 : 37,742.04 = 8,516.85 : x
2. Step 2: Convert to fraction form
   25,156.82/37,742.04 = 8,516.85/x
3. Step 3: Cross multiply
   25,156.82x = 37,742.04 × 8,516.85
4. Step 4: Simplify right side
   25,156.82x = 321,443,250.79
5. Step 5: Solve for x
   x = 321,443,250.79/25,156.82
6. Step 6: Final answer
   x = 12,777.58