Finding the Fourth Proportional to 30,436.68, 42,001.82 and 17,008.02

Step by Step Solution

1. Step 1: Write the proportion equation
   30,436.68 : 42,001.82 = 17,008.02 : x
2. Step 2: Convert to fraction form
   30,436.68/42,001.82 = 17,008.02/x
3. Step 3: Cross multiply
   30,436.68x = 42,001.82 × 17,008.02
4. Step 4: Simplify right side
   30,436.68x = 714,367,709.56
5. Step 5: Solve for x
   x = 714,367,709.56/30,436.68
6. Step 6: Final answer
   x = 23,470.62