Finding the Fourth Proportional to 30,885.06, 42,620.28 and 17,456.02

Step by Step Solution

1. Step 1: Write the proportion equation
   30,885.06 : 42,620.28 = 17,456.02 : x
2. Step 2: Convert to fraction form
   30,885.06/42,620.28 = 17,456.02/x
3. Step 3: Cross multiply
   30,885.06x = 42,620.28 × 17,456.02
4. Step 4: Simplify right side
   30,885.06x = 743,980,460.09
5. Step 5: Solve for x
   x = 743,980,460.09/30,885.06
6. Step 6: Final answer
   x = 24,088.68