Finding the Fourth Proportional to 2,205.06, 3,308.10 and 972.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.06 : 3,308.10 = 972.82 : x
2. Step 2: Convert to fraction form
   2,205.06/3,308.10 = 972.82/x
3. Step 3: Cross multiply
   2,205.06x = 3,308.10 × 972.82
4. Step 4: Simplify right side
   2,205.06x = 3,218,185.84
5. Step 5: Solve for x
   x = 3,218,185.84/2,205.06
6. Step 6: Final answer
   x = 1,459.45