Finding the Fourth Proportional to 2,333.21, 3,218.81 and 1,702.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.21 : 3,218.81 = 1,702.22 : x
2. Step 2: Convert to fraction form
   2,333.21/3,218.81 = 1,702.22/x
3. Step 3: Cross multiply
   2,333.21x = 3,218.81 × 1,702.22
4. Step 4: Simplify right side
   2,333.21x = 5,479,098.15
5. Step 5: Solve for x
   x = 5,479,098.15/2,333.21
6. Step 6: Final answer
   x = 2,348.31