Finding the Fourth Proportional to 2,665.31, 3,675.74 and 1,670.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.31 : 3,675.74 = 1,670.70 : x
2. Step 2: Convert to fraction form
   2,665.31/3,675.74 = 1,670.70/x
3. Step 3: Cross multiply
   2,665.31x = 3,675.74 × 1,670.70
4. Step 4: Simplify right side
   2,665.31x = 6,141,058.82
5. Step 5: Solve for x
   x = 6,141,058.82/2,665.31
6. Step 6: Final answer
   x = 2,304.07