Finding the Fourth Proportional to 2,303.89, 3,179.43 and 1,256.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.89 : 3,179.43 = 1,256.02 : x
2. Step 2: Convert to fraction form
   2,303.89/3,179.43 = 1,256.02/x
3. Step 3: Cross multiply
   2,303.89x = 3,179.43 × 1,256.02
4. Step 4: Simplify right side
   2,303.89x = 3,993,427.67
5. Step 5: Solve for x
   x = 3,993,427.67/2,303.89
6. Step 6: Final answer
   x = 1,733.34