Finding the Fourth Proportional to 2,141.21, 3,212.37 and 735.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.21 : 3,212.37 = 735.61 : x
2. Step 2: Convert to fraction form
   2,141.21/3,212.37 = 735.61/x
3. Step 3: Cross multiply
   2,141.21x = 3,212.37 × 735.61
4. Step 4: Simplify right side
   2,141.21x = 2,363,051.50
5. Step 5: Solve for x
   x = 2,363,051.50/2,141.21
6. Step 6: Final answer
   x = 1,103.61