Finding the Fourth Proportional to 30,904.82, 42,651.29 and 17,478.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,904.82 : 42,651.29 = 17,478.46 : x
2. Step 2: Convert to fraction form
   30,904.82/42,651.29 = 17,478.46/x
3. Step 3: Cross multiply
   30,904.82x = 42,651.29 × 17,478.46
4. Step 4: Simplify right side
   30,904.82x = 745,478,963.22
5. Step 5: Solve for x
   x = 745,478,963.22/30,904.82
6. Step 6: Final answer
   x = 24,121.77