Finding the Fourth Proportional to 10,784.89, 16,177.32 and 3,389.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.89 : 16,177.32 = 3,389.99 : x
2. Step 2: Convert to fraction form
   10,784.89/16,177.32 = 3,389.99/x
3. Step 3: Cross multiply
   10,784.89x = 16,177.32 × 3,389.99
4. Step 4: Simplify right side
   10,784.89x = 54,840,993.47
5. Step 5: Solve for x
   x = 54,840,993.47/10,784.89
6. Step 6: Final answer
   x = 5,084.99