Finding the Fourth Proportional to 30,853.38, 42,536.46 and 23,164.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,853.38 : 42,536.46 = 23,164.09 : x
2. Step 2: Convert to fraction form
   30,853.38/42,536.46 = 23,164.09/x
3. Step 3: Cross multiply
   30,853.38x = 42,536.46 × 23,164.09
4. Step 4: Simplify right side
   30,853.38x = 985,318,387.72
5. Step 5: Solve for x
   x = 985,318,387.72/30,853.38
6. Step 6: Final answer
   x = 31,935.51