Finding the Fourth Proportional to 30,496.21, 42,084.98 and 17,068.71

Step by Step Solution

1. Step 1: Write the proportion equation
   30,496.21 : 42,084.98 = 17,068.71 : x
2. Step 2: Convert to fraction form
   30,496.21/42,084.98 = 17,068.71/x
3. Step 3: Cross multiply
   30,496.21x = 42,084.98 × 17,068.71
4. Step 4: Simplify right side
   30,496.21x = 718,336,551.47
5. Step 5: Solve for x
   x = 718,336,551.47/30,496.21
6. Step 6: Final answer
   x = 23,554.94