Finding the Fourth Proportional to 30,694.37, 42,364.05 and 19,214.63

Step by Step Solution

1. Step 1: Write the proportion equation
   30,694.37 : 42,364.05 = 19,214.63 : x
2. Step 2: Convert to fraction form
   30,694.37/42,364.05 = 19,214.63/x
3. Step 3: Cross multiply
   30,694.37x = 42,364.05 × 19,214.63
4. Step 4: Simplify right side
   30,694.37x = 814,009,301.89
5. Step 5: Solve for x
   x = 814,009,301.89/30,694.37
6. Step 6: Final answer
   x = 26,519.82