Finding the Fourth Proportional to 54,773.49, 82,168.55 and 17,321.12

Step by Step Solution

1. Step 1: Write the proportion equation
   54,773.49 : 82,168.55 = 17,321.12 : x
2. Step 2: Convert to fraction form
   54,773.49/82,168.55 = 17,321.12/x
3. Step 3: Cross multiply
   54,773.49x = 82,168.55 × 17,321.12
4. Step 4: Simplify right side
   54,773.49x = 1,423,251,314.78
5. Step 5: Solve for x
   x = 1,423,251,314.78/54,773.49
6. Step 6: Final answer
   x = 25,984.31