Finding the Fourth Proportional to 30,845.88, 42,567.12 and 16,698.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,845.88 : 42,567.12 = 16,698.69 : x
2. Step 2: Convert to fraction form
   30,845.88/42,567.12 = 16,698.69/x
3. Step 3: Cross multiply
   30,845.88x = 42,567.12 × 16,698.69
4. Step 4: Simplify right side
   30,845.88x = 710,815,141.07
5. Step 5: Solve for x
   x = 710,815,141.07/30,845.88
6. Step 6: Final answer
   x = 23,044.09