Finding the Fourth Proportional to 19,735.58, 27,240.06 and 12,674.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,735.58 : 27,240.06 = 12,674.31 : x
2. Step 2: Convert to fraction form
   19,735.58/27,240.06 = 12,674.31/x
3. Step 3: Cross multiply
   19,735.58x = 27,240.06 × 12,674.31
4. Step 4: Simplify right side
   19,735.58x = 345,248,964.86
5. Step 5: Solve for x
   x = 345,248,964.86/19,735.58
6. Step 6: Final answer
   x = 17,493.74