Finding the Fourth Proportional to 30,754.73, 42,445.56 and 17,328.57

Step by Step Solution

1. Step 1: Write the proportion equation
   30,754.73 : 42,445.56 = 17,328.57 : x
2. Step 2: Convert to fraction form
   30,754.73/42,445.56 = 17,328.57/x
3. Step 3: Cross multiply
   30,754.73x = 42,445.56 × 17,328.57
4. Step 4: Simplify right side
   30,754.73x = 735,520,857.65
5. Step 5: Solve for x
   x = 735,520,857.65/30,754.73
6. Step 6: Final answer
   x = 23,915.70