Finding the Fourth Proportional to 30,782.52, 42,479.73 and 16,635.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,782.52 : 42,479.73 = 16,635.33 : x
2. Step 2: Convert to fraction form
   30,782.52/42,479.73 = 16,635.33/x
3. Step 3: Cross multiply
   30,782.52x = 42,479.73 × 16,635.33
4. Step 4: Simplify right side
   30,782.52x = 706,664,326.86
5. Step 5: Solve for x
   x = 706,664,326.86/30,782.52
6. Step 6: Final answer
   x = 22,956.68