Finding the Fourth Proportional to 30,914.23, 42,661.41 and 16,767.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,914.23 : 42,661.41 = 16,767.10 : x
2. Step 2: Convert to fraction form
   30,914.23/42,661.41 = 16,767.10/x
3. Step 3: Cross multiply
   30,914.23x = 42,661.41 × 16,767.10
4. Step 4: Simplify right side
   30,914.23x = 715,308,127.61
5. Step 5: Solve for x
   x = 715,308,127.61/30,914.23
6. Step 6: Final answer
   x = 23,138.47