Finding the Fourth Proportional to 2,303.05, 3,178.83 and 1,308.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.05 : 3,178.83 = 1,308.37 : x
2. Step 2: Convert to fraction form
   2,303.05/3,178.83 = 1,308.37/x
3. Step 3: Cross multiply
   2,303.05x = 3,178.83 × 1,308.37
4. Step 4: Simplify right side
   2,303.05x = 4,159,085.81
5. Step 5: Solve for x
   x = 4,159,085.81/2,303.05
6. Step 6: Final answer
   x = 1,805.90