Finding the Fourth Proportional to 19,976.58, 29,969.55 and 5,936.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,976.58 : 29,969.55 = 5,936.72 : x
2. Step 2: Convert to fraction form
   19,976.58/29,969.55 = 5,936.72/x
3. Step 3: Cross multiply
   19,976.58x = 29,969.55 × 5,936.72
4. Step 4: Simplify right side
   19,976.58x = 177,920,677.03
5. Step 5: Solve for x
   x = 177,920,677.03/19,976.58
6. Step 6: Final answer
   x = 8,906.46