Finding the Fourth Proportional to 30,881.26, 42,616.15 and 16,734.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,881.26 : 42,616.15 = 16,734.10 : x
2. Step 2: Convert to fraction form
   30,881.26/42,616.15 = 16,734.10/x
3. Step 3: Cross multiply
   30,881.26x = 42,616.15 × 16,734.10
4. Step 4: Simplify right side
   30,881.26x = 713,142,941.37
5. Step 5: Solve for x
   x = 713,142,941.37/30,881.26
6. Step 6: Final answer
   x = 23,093.07