Finding the Fourth Proportional to 54,915.84, 82,379.52 and 17,982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   54,915.84 : 82,379.52 = 17,982.72 : x
2. Step 2: Convert to fraction form
   54,915.84/82,379.52 = 17,982.72/x
3. Step 3: Cross multiply
   54,915.84x = 82,379.52 × 17,982.72
4. Step 4: Simplify right side
   54,915.84x = 1,481,407,841.89
5. Step 5: Solve for x
   x = 1,481,407,841.89/54,915.84
6. Step 6: Final answer
   x = 26,975.97