Finding the Fourth Proportional to 2,331.02, 3,216.71 and 1,335.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.02 : 3,216.71 = 1,335.61 : x
2. Step 2: Convert to fraction form
   2,331.02/3,216.71 = 1,335.61/x
3. Step 3: Cross multiply
   2,331.02x = 3,216.71 × 1,335.61
4. Step 4: Simplify right side
   2,331.02x = 4,296,259.31
5. Step 5: Solve for x
   x = 4,296,259.31/2,331.02
6. Step 6: Final answer
   x = 1,843.08