Finding the Fourth Proportional to 18,306.18, 27,460.89 and 5,158.53

Step by Step Solution

1. Step 1: Write the proportion equation
   18,306.18 : 27,460.89 = 5,158.53 : x
2. Step 2: Convert to fraction form
   18,306.18/27,460.89 = 5,158.53/x
3. Step 3: Cross multiply
   18,306.18x = 27,460.89 × 5,158.53
4. Step 4: Simplify right side
   18,306.18x = 141,657,824.89
5. Step 5: Solve for x
   x = 141,657,824.89/18,306.18
6. Step 6: Final answer
   x = 7,738.25