Finding the Fourth Proportional to 30,684.06, 42,371.73 and 19,373.58

Step by Step Solution

1. Step 1: Write the proportion equation
   30,684.06 : 42,371.73 = 19,373.58 : x
2. Step 2: Convert to fraction form
   30,684.06/42,371.73 = 19,373.58/x
3. Step 3: Cross multiply
   30,684.06x = 42,371.73 × 19,373.58
4. Step 4: Simplify right side
   30,684.06x = 820,892,100.89
5. Step 5: Solve for x
   x = 820,892,100.89/30,684.06
6. Step 6: Final answer
   x = 26,753.05