Finding the Fourth Proportional to 11,200.67, 16,803.51 and 3,410.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,200.67 : 16,803.51 = 3,410.09 : x
2. Step 2: Convert to fraction form
   11,200.67/16,803.51 = 3,410.09/x
3. Step 3: Cross multiply
   11,200.67x = 16,803.51 × 3,410.09
4. Step 4: Simplify right side
   11,200.67x = 57,301,481.42
5. Step 5: Solve for x
   x = 57,301,481.42/11,200.67
6. Step 6: Final answer
   x = 5,115.90