Finding the Fourth Proportional to 30,693.06, 42,356.25 and 17,945.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,693.06 : 42,356.25 = 17,945.96 : x
2. Step 2: Convert to fraction form
   30,693.06/42,356.25 = 17,945.96/x
3. Step 3: Cross multiply
   30,693.06x = 42,356.25 × 17,945.96
4. Step 4: Simplify right side
   30,693.06x = 760,123,356.47
5. Step 5: Solve for x
   x = 760,123,356.47/30,693.06
6. Step 6: Final answer
   x = 24,765.32