Finding the Fourth Proportional to 7,189.36, 10,784.34 and 3,499

Step by Step Solution

1. Step 1: Write the proportion equation
   7,189.36 : 10,784.34 = 3,499 : x
2. Step 2: Convert to fraction form
   7,189.36/10,784.34 = 3,499/x
3. Step 3: Cross multiply
   7,189.36x = 10,784.34 × 3,499
4. Step 4: Simplify right side
   7,189.36x = 37,734,405.66
5. Step 5: Solve for x
   x = 37,734,405.66/7,189.36
6. Step 6: Final answer
   x = 5,248.65