Finding the Fourth Proportional to 2,303.24, 3,178.71 and 1,308.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.24 : 3,178.71 = 1,308.76 : x
2. Step 2: Convert to fraction form
   2,303.24/3,178.71 = 1,308.76/x
3. Step 3: Cross multiply
   2,303.24x = 3,178.71 × 1,308.76
4. Step 4: Simplify right side
   2,303.24x = 4,160,160.55
5. Step 5: Solve for x
   x = 4,160,160.55/2,303.24
6. Step 6: Final answer
   x = 1,806.22