Finding the Fourth Proportional to 30,654.09, 42,303.88 and 17,225.30

Step by Step Solution

1. Step 1: Write the proportion equation
   30,654.09 : 42,303.88 = 17,225.30 : x
2. Step 2: Convert to fraction form
   30,654.09/42,303.88 = 17,225.30/x
3. Step 3: Cross multiply
   30,654.09x = 42,303.88 × 17,225.30
4. Step 4: Simplify right side
   30,654.09x = 728,697,024.16
5. Step 5: Solve for x
   x = 728,697,024.16/30,654.09
6. Step 6: Final answer
   x = 23,771.61