Finding the Fourth Proportional to 30,845.90, 42,567.39 and 16,698.71

Step by Step Solution

1. Step 1: Write the proportion equation
   30,845.90 : 42,567.39 = 16,698.71 : x
2. Step 2: Convert to fraction form
   30,845.90/42,567.39 = 16,698.71/x
3. Step 3: Cross multiply
   30,845.90x = 42,567.39 × 16,698.71
4. Step 4: Simplify right side
   30,845.90x = 710,820,288.23
5. Step 5: Solve for x
   x = 710,820,288.23/30,845.90
6. Step 6: Final answer
   x = 23,044.24