Finding the Fourth Proportional to 30,535.16, 42,141.62 and 17,108.81

Step by Step Solution

1. Step 1: Write the proportion equation
   30,535.16 : 42,141.62 = 17,108.81 : x
2. Step 2: Convert to fraction form
   30,535.16/42,141.62 = 17,108.81/x
3. Step 3: Cross multiply
   30,535.16x = 42,141.62 × 17,108.81
4. Step 4: Simplify right side
   30,535.16x = 720,992,673.42
5. Step 5: Solve for x
   x = 720,992,673.42/30,535.16
6. Step 6: Final answer
   x = 23,611.89