Finding the Fourth Proportional to 54,978.37, 82,479.99 and 17,540.66

Step by Step Solution

1. Step 1: Write the proportion equation
   54,978.37 : 82,479.99 = 17,540.66 : x
2. Step 2: Convert to fraction form
   54,978.37/82,479.99 = 17,540.66/x
3. Step 3: Cross multiply
   54,978.37x = 82,479.99 × 17,540.66
4. Step 4: Simplify right side
   54,978.37x = 1,446,753,461.39
5. Step 5: Solve for x
   x = 1,446,753,461.39/54,978.37
6. Step 6: Final answer
   x = 26,314.96