Finding the Fourth Proportional to 2,303.10, 3,178.17 and 1,308.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.10 : 3,178.17 = 1,308.25 : x
2. Step 2: Convert to fraction form
   2,303.10/3,178.17 = 1,308.25/x
3. Step 3: Cross multiply
   2,303.10x = 3,178.17 × 1,308.25
4. Step 4: Simplify right side
   2,303.10x = 4,157,840.90
5. Step 5: Solve for x
   x = 4,157,840.90/2,303.10
6. Step 6: Final answer
   x = 1,805.32