Finding the Fourth Proportional to 10,940.10, 16,412.55 and 3,543.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,940.10 : 16,412.55 = 3,543.30 : x
2. Step 2: Convert to fraction form
   10,940.10/16,412.55 = 3,543.30/x
3. Step 3: Cross multiply
   10,940.10x = 16,412.55 × 3,543.30
4. Step 4: Simplify right side
   10,940.10x = 58,154,588.42
5. Step 5: Solve for x
   x = 58,154,588.42/10,940.10
6. Step 6: Final answer
   x = 5,315.73