Finding the Fourth Proportional to 2,308.05, 3,186.45 and 1,835.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.05 : 3,186.45 = 1,835.28 : x
2. Step 2: Convert to fraction form
   2,308.05/3,186.45 = 1,835.28/x
3. Step 3: Cross multiply
   2,308.05x = 3,186.45 × 1,835.28
4. Step 4: Simplify right side
   2,308.05x = 5,848,027.96
5. Step 5: Solve for x
   x = 5,848,027.96/2,308.05
6. Step 6: Final answer
   x = 2,533.75