Finding the Fourth Proportional to 30,841.88, 42,561.76 and 16,694.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,841.88 : 42,561.76 = 16,694.72 : x
2. Step 2: Convert to fraction form
   30,841.88/42,561.76 = 16,694.72/x
3. Step 3: Cross multiply
   30,841.88x = 42,561.76 × 16,694.72
4. Step 4: Simplify right side
   30,841.88x = 710,556,665.91
5. Step 5: Solve for x
   x = 710,556,665.91/30,841.88
6. Step 6: Final answer
   x = 23,038.69