Finding the Fourth Proportional to 3,430.37, 5,153.76 and 2,200.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,430.37 : 5,153.76 = 2,200.18 : x
2. Step 2: Convert to fraction form
   3,430.37/5,153.76 = 2,200.18/x
3. Step 3: Cross multiply
   3,430.37x = 5,153.76 × 2,200.18
4. Step 4: Simplify right side
   3,430.37x = 11,339,196.46
5. Step 5: Solve for x
   x = 11,339,196.46/3,430.37
6. Step 6: Final answer
   x = 3,305.53