Finding the Fourth Proportional to 10,784.71, 16,177.76 and 3,389.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.71 : 16,177.76 = 3,389.48 : x
2. Step 2: Convert to fraction form
   10,784.71/16,177.76 = 3,389.48/x
3. Step 3: Cross multiply
   10,784.71x = 16,177.76 × 3,389.48
4. Step 4: Simplify right side
   10,784.71x = 54,834,096.13
5. Step 5: Solve for x
   x = 54,834,096.13/10,784.71
6. Step 6: Final answer
   x = 5,084.43