Finding the Fourth Proportional to 30,521.44, 42,104.72 and 19,204.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,521.44 : 42,104.72 = 19,204.96 : x
2. Step 2: Convert to fraction form
   30,521.44/42,104.72 = 19,204.96/x
3. Step 3: Cross multiply
   30,521.44x = 42,104.72 × 19,204.96
4. Step 4: Simplify right side
   30,521.44x = 808,619,463.41
5. Step 5: Solve for x
   x = 808,619,463.41/30,521.44
6. Step 6: Final answer
   x = 26,493.49