Finding the Fourth Proportional to 3,345.31, 5,020.10 and 2,357.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.31 : 5,020.10 = 2,357.52 : x
2. Step 2: Convert to fraction form
   3,345.31/5,020.10 = 2,357.52/x
3. Step 3: Cross multiply
   3,345.31x = 5,020.10 × 2,357.52
4. Step 4: Simplify right side
   3,345.31x = 11,834,986.15
5. Step 5: Solve for x
   x = 11,834,986.15/3,345.31
6. Step 6: Final answer
   x = 3,537.78