Finding the Fourth Proportional to 30,796.10, 42,498.62 and 16,648.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,796.10 : 42,498.62 = 16,648.94 : x
2. Step 2: Convert to fraction form
   30,796.10/42,498.62 = 16,648.94/x
3. Step 3: Cross multiply
   30,796.10x = 42,498.62 × 16,648.94
4. Step 4: Simplify right side
   30,796.10x = 707,556,678.73
5. Step 5: Solve for x
   x = 707,556,678.73/30,796.10
6. Step 6: Final answer
   x = 22,975.53