Finding the Fourth Proportional to 30,846.28, 42,567.87 and 16,699.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,846.28 : 42,567.87 = 16,699.12 : x
2. Step 2: Convert to fraction form
   30,846.28/42,567.87 = 16,699.12/x
3. Step 3: Cross multiply
   30,846.28x = 42,567.87 × 16,699.12
4. Step 4: Simplify right side
   30,846.28x = 710,845,969.27
5. Step 5: Solve for x
   x = 710,845,969.27/30,846.28
6. Step 6: Final answer
   x = 23,044.79