Finding the Fourth Proportional to 18,380.32, 27,568.42 and 5,054.34

Step by Step Solution

1. Step 1: Write the proportion equation
   18,380.32 : 27,568.42 = 5,054.34 : x
2. Step 2: Convert to fraction form
   18,380.32/27,568.42 = 5,054.34/x
3. Step 3: Cross multiply
   18,380.32x = 27,568.42 × 5,054.34
4. Step 4: Simplify right side
   18,380.32x = 139,340,167.94
5. Step 5: Solve for x
   x = 139,340,167.94/18,380.32
6. Step 6: Final answer
   x = 7,580.94