Finding the Fourth Proportional to 30,708.54, 42,379.83 and 23,141.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,708.54 : 42,379.83 = 23,141.52 : x
2. Step 2: Convert to fraction form
   30,708.54/42,379.83 = 23,141.52/x
3. Step 3: Cross multiply
   30,708.54x = 42,379.83 × 23,141.52
4. Step 4: Simplify right side
   30,708.54x = 980,733,683.54
5. Step 5: Solve for x
   x = 980,733,683.54/30,708.54
6. Step 6: Final answer
   x = 31,936.84