Finding the Fourth Proportional to 2,335.30, 3,221.31 and 1,837.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.30 : 3,221.31 = 1,837.15 : x
2. Step 2: Convert to fraction form
   2,335.30/3,221.31 = 1,837.15/x
3. Step 3: Cross multiply
   2,335.30x = 3,221.31 × 1,837.15
4. Step 4: Simplify right side
   2,335.30x = 5,918,029.67
5. Step 5: Solve for x
   x = 5,918,029.67/2,335.30
6. Step 6: Final answer
   x = 2,534.16