Finding the Fourth Proportional to 2,308.08, 3,188.52 and 1,997.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.08 : 3,188.52 = 1,997.04 : x
2. Step 2: Convert to fraction form
   2,308.08/3,188.52 = 1,997.04/x
3. Step 3: Cross multiply
   2,308.08x = 3,188.52 × 1,997.04
4. Step 4: Simplify right side
   2,308.08x = 6,367,601.98
5. Step 5: Solve for x
   x = 6,367,601.98/2,308.08
6. Step 6: Final answer
   x = 2,758.83