Finding the Fourth Proportional to 10,784.42, 16,176.74 and 3,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.42 : 16,176.74 = 3,388.72 : x
2. Step 2: Convert to fraction form
   10,784.42/16,176.74 = 3,388.72/x
3. Step 3: Cross multiply
   10,784.42x = 16,176.74 × 3,388.72
4. Step 4: Simplify right side
   10,784.42x = 54,818,384.99
5. Step 5: Solve for x
   x = 54,818,384.99/10,784.42
6. Step 6: Final answer
   x = 5,083.11