Finding the Fourth Proportional to 3,345.31, 4,611.72 and 2,347.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.31 : 4,611.72 = 2,347.49 : x
2. Step 2: Convert to fraction form
   3,345.31/4,611.72 = 2,347.49/x
3. Step 3: Cross multiply
   3,345.31x = 4,611.72 × 2,347.49
4. Step 4: Simplify right side
   3,345.31x = 10,825,969.31
5. Step 5: Solve for x
   x = 10,825,969.31/3,345.31
6. Step 6: Final answer
   x = 3,236.17