Finding the Fourth Proportional to 30,623.30, 42,257.01 and 17,196.04

Step by Step Solution

1. Step 1: Write the proportion equation
   30,623.30 : 42,257.01 = 17,196.04 : x
2. Step 2: Convert to fraction form
   30,623.30/42,257.01 = 17,196.04/x
3. Step 3: Cross multiply
   30,623.30x = 42,257.01 × 17,196.04
4. Step 4: Simplify right side
   30,623.30x = 726,653,234.24
5. Step 5: Solve for x
   x = 726,653,234.24/30,623.30
6. Step 6: Final answer
   x = 23,728.77