Finding the Fourth Proportional to 2,303.15, 3,178.22 and 1,308.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.15 : 3,178.22 = 1,308.29 : x
2. Step 2: Convert to fraction form
   2,303.15/3,178.22 = 1,308.29/x
3. Step 3: Cross multiply
   2,303.15x = 3,178.22 × 1,308.29
4. Step 4: Simplify right side
   2,303.15x = 4,158,011.01
5. Step 5: Solve for x
   x = 4,158,011.01/2,303.15
6. Step 6: Final answer
   x = 1,805.36