Finding the Fourth Proportional to 30,843.57, 42,564.15 and 16,696.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,843.57 : 42,564.15 = 16,696.42 : x
2. Step 2: Convert to fraction form
   30,843.57/42,564.15 = 16,696.42/x
3. Step 3: Cross multiply
   30,843.57x = 42,564.15 × 16,696.42
4. Step 4: Simplify right side
   30,843.57x = 710,668,925.34
5. Step 5: Solve for x
   x = 710,668,925.34/30,843.57
6. Step 6: Final answer
   x = 23,041.07