Finding the Fourth Proportional to 30,922.66, 42,667.05 and 19,596.58

Step by Step Solution

1. Step 1: Write the proportion equation
   30,922.66 : 42,667.05 = 19,596.58 : x
2. Step 2: Convert to fraction form
   30,922.66/42,667.05 = 19,596.58/x
3. Step 3: Cross multiply
   30,922.66x = 42,667.05 × 19,596.58
4. Step 4: Simplify right side
   30,922.66x = 836,128,258.69
5. Step 5: Solve for x
   x = 836,128,258.69/30,922.66
6. Step 6: Final answer
   x = 27,039.34