Finding the Fourth Proportional to 2,303.30, 3,178.52 and 1,308.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.30 : 3,178.52 = 1,308.62 : x
2. Step 2: Convert to fraction form
   2,303.30/3,178.52 = 1,308.62/x
3. Step 3: Cross multiply
   2,303.30x = 3,178.52 × 1,308.62
4. Step 4: Simplify right side
   2,303.30x = 4,159,474.84
5. Step 5: Solve for x
   x = 4,159,474.84/2,303.30
6. Step 6: Final answer
   x = 1,805.88