Finding the Fourth Proportional to 2,505.82, 3,456.85 and 1,666.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.82 : 3,456.85 = 1,666.93 : x
2. Step 2: Convert to fraction form
   2,505.82/3,456.85 = 1,666.93/x
3. Step 3: Cross multiply
   2,505.82x = 3,456.85 × 1,666.93
4. Step 4: Simplify right side
   2,505.82x = 5,762,326.97
5. Step 5: Solve for x
   x = 5,762,326.97/2,505.82
6. Step 6: Final answer
   x = 2,299.58