Finding the Fourth Proportional to 18,234.34, 27,356.12 and 5,086.71

Step by Step Solution

1. Step 1: Write the proportion equation
   18,234.34 : 27,356.12 = 5,086.71 : x
2. Step 2: Convert to fraction form
   18,234.34/27,356.12 = 5,086.71/x
3. Step 3: Cross multiply
   18,234.34x = 27,356.12 × 5,086.71
4. Step 4: Simplify right side
   18,234.34x = 139,152,649.17
5. Step 5: Solve for x
   x = 139,152,649.17/18,234.34
6. Step 6: Final answer
   x = 7,631.35