Finding the Fourth Proportional to 19,784.34, 29,665.71 and 8,087.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,784.34 : 29,665.71 = 8,087.94 : x
2. Step 2: Convert to fraction form
   19,784.34/29,665.71 = 8,087.94/x
3. Step 3: Cross multiply
   19,784.34x = 29,665.71 × 8,087.94
4. Step 4: Simplify right side
   19,784.34x = 239,934,482.54
5. Step 5: Solve for x
   x = 239,934,482.54/19,784.34
6. Step 6: Final answer
   x = 12,127.49