Finding the Fourth Proportional to 30,795.21, 42,497.46 and 16,648.05

Step by Step Solution

1. Step 1: Write the proportion equation
   30,795.21 : 42,497.46 = 16,648.05 : x
2. Step 2: Convert to fraction form
   30,795.21/42,497.46 = 16,648.05/x
3. Step 3: Cross multiply
   30,795.21x = 42,497.46 × 16,648.05
4. Step 4: Simplify right side
   30,795.21x = 707,499,838.95
5. Step 5: Solve for x
   x = 707,499,838.95/30,795.21
6. Step 6: Final answer
   x = 22,974.35