Finding the Fourth Proportional to 10,784.61, 16,177.82 and 3,388.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.61 : 16,177.82 = 3,388.91 : x
2. Step 2: Convert to fraction form
   10,784.61/16,177.82 = 3,388.91/x
3. Step 3: Cross multiply
   10,784.61x = 16,177.82 × 3,388.91
4. Step 4: Simplify right side
   10,784.61x = 54,825,078.14
5. Step 5: Solve for x
   x = 54,825,078.14/10,784.61
6. Step 6: Final answer
   x = 5,083.64