Finding the Fourth Proportional to 2,303.38, 3,178.75 and 1,308.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.38 : 3,178.75 = 1,308.83 : x
2. Step 2: Convert to fraction form
   2,303.38/3,178.75 = 1,308.83/x
3. Step 3: Cross multiply
   2,303.38x = 3,178.75 × 1,308.83
4. Step 4: Simplify right side
   2,303.38x = 4,160,427.47
5. Step 5: Solve for x
   x = 4,160,427.47/2,303.38
6. Step 6: Final answer
   x = 1,806.23