Finding the Fourth Proportional to 10,784.01, 16,178.30 and 3,389.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.01 : 16,178.30 = 3,389.22 : x
2. Step 2: Convert to fraction form
   10,784.01/16,178.30 = 3,389.22/x
3. Step 3: Cross multiply
   10,784.01x = 16,178.30 × 3,389.22
4. Step 4: Simplify right side
   10,784.01x = 54,831,817.93
5. Step 5: Solve for x
   x = 54,831,817.93/10,784.01
6. Step 6: Final answer
   x = 5,084.55