Finding the Fourth Proportional to 18,372.18, 27,559.89 and 5,892.78

Step by Step Solution

1. Step 1: Write the proportion equation
   18,372.18 : 27,559.89 = 5,892.78 : x
2. Step 2: Convert to fraction form
   18,372.18/27,559.89 = 5,892.78/x
3. Step 3: Cross multiply
   18,372.18x = 27,559.89 × 5,892.78
4. Step 4: Simplify right side
   18,372.18x = 162,404,368.59
5. Step 5: Solve for x
   x = 162,404,368.59/18,372.18
6. Step 6: Final answer
   x = 8,839.69