Finding the Fourth Proportional to 2,166.43, 3,250.55 and 1,192.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166.43 : 3,250.55 = 1,192.45 : x
2. Step 2: Convert to fraction form
   2,166.43/3,250.55 = 1,192.45/x
3. Step 3: Cross multiply
   2,166.43x = 3,250.55 × 1,192.45
4. Step 4: Simplify right side
   2,166.43x = 3,876,118.35
5. Step 5: Solve for x
   x = 3,876,118.35/2,166.43
6. Step 6: Final answer
   x = 1,789.17