Finding the Fourth Proportional to 30,877.33, 42,610.73 and 16,730.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,877.33 : 42,610.73 = 16,730.18 : x
2. Step 2: Convert to fraction form
   30,877.33/42,610.73 = 16,730.18/x
3. Step 3: Cross multiply
   30,877.33x = 42,610.73 × 16,730.18
4. Step 4: Simplify right side
   30,877.33x = 712,885,182.83
5. Step 5: Solve for x
   x = 712,885,182.83/30,877.33
6. Step 6: Final answer
   x = 23,087.66