Finding the Fourth Proportional to 2,357.40, 3,245.76 and 1,796.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.40 : 3,245.76 = 1,796.07 : x
2. Step 2: Convert to fraction form
   2,357.40/3,245.76 = 1,796.07/x
3. Step 3: Cross multiply
   2,357.40x = 3,245.76 × 1,796.07
4. Step 4: Simplify right side
   2,357.40x = 5,829,612.16
5. Step 5: Solve for x
   x = 5,829,612.16/2,357.40
6. Step 6: Final answer
   x = 2,472.90