Finding the Fourth Proportional to 30,670.52, 42,326.88 and 17,243.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,670.52 : 42,326.88 = 17,243.96 : x
2. Step 2: Convert to fraction form
   30,670.52/42,326.88 = 17,243.96/x
3. Step 3: Cross multiply
   30,670.52x = 42,326.88 × 17,243.96
4. Step 4: Simplify right side
   30,670.52x = 729,883,025.64
5. Step 5: Solve for x
   x = 729,883,025.64/30,670.52
6. Step 6: Final answer
   x = 23,797.54