Finding the Fourth Proportional to 12,151.74, 18,227.01 and 4,757.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,151.74 : 18,227.01 = 4,757.56 : x
2. Step 2: Convert to fraction form
   12,151.74/18,227.01 = 4,757.56/x
3. Step 3: Cross multiply
   12,151.74x = 18,227.01 × 4,757.56
4. Step 4: Simplify right side
   12,151.74x = 86,715,978.77
5. Step 5: Solve for x
   x = 86,715,978.77/12,151.74
6. Step 6: Final answer
   x = 7,136.10