Finding the Fourth Proportional to 10,784.71, 16,176.91 and 3,389.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.71 : 16,176.91 = 3,389.62 : x
2. Step 2: Convert to fraction form
   10,784.71/16,176.91 = 3,389.62/x
3. Step 3: Cross multiply
   10,784.71x = 16,176.91 × 3,389.62
4. Step 4: Simplify right side
   10,784.71x = 54,833,577.67
5. Step 5: Solve for x
   x = 54,833,577.67/10,784.71
6. Step 6: Final answer
   x = 5,084.38