Finding the Fourth Proportional to 2,166.35, 3,251.14 and 1,345.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166.35 : 3,251.14 = 1,345.82 : x
2. Step 2: Convert to fraction form
   2,166.35/3,251.14 = 1,345.82/x
3. Step 3: Cross multiply
   2,166.35x = 3,251.14 × 1,345.82
4. Step 4: Simplify right side
   2,166.35x = 4,375,429.61
5. Step 5: Solve for x
   x = 4,375,429.61/2,166.35
6. Step 6: Final answer
   x = 2,019.73