Finding the Fourth Proportional to 30,633.12, 42,270.72 and 17,201.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,633.12 : 42,270.72 = 17,201.32 : x
2. Step 2: Convert to fraction form
   30,633.12/42,270.72 = 17,201.32/x
3. Step 3: Cross multiply
   30,633.12x = 42,270.72 × 17,201.32
4. Step 4: Simplify right side
   30,633.12x = 727,112,181.35
5. Step 5: Solve for x
   x = 727,112,181.35/30,633.12
6. Step 6: Final answer
   x = 23,736.15