Finding the Fourth Proportional to 10,784.66, 16,169.18 and 3,385.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.66 : 16,169.18 = 3,385.12 : x
2. Step 2: Convert to fraction form
   10,784.66/16,169.18 = 3,385.12/x
3. Step 3: Cross multiply
   10,784.66x = 16,169.18 × 3,385.12
4. Step 4: Simplify right side
   10,784.66x = 54,734,614.60
5. Step 5: Solve for x
   x = 54,734,614.60/10,784.66
6. Step 6: Final answer
   x = 5,075.23