Finding the Fourth Proportional to 3,486.06, 5,222.34 and 3,308.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,486.06 : 5,222.34 = 3,308.94 : x
2. Step 2: Convert to fraction form
   3,486.06/5,222.34 = 3,308.94/x
3. Step 3: Cross multiply
   3,486.06x = 5,222.34 × 3,308.94
4. Step 4: Simplify right side
   3,486.06x = 17,280,409.72
5. Step 5: Solve for x
   x = 17,280,409.72/3,486.06
6. Step 6: Final answer
   x = 4,957.00