Finding the Fourth Proportional to 4,665.78, 6,436.98 and 2,675.61

Step by Step Solution

1. Step 1: Write the proportion equation
   4,665.78 : 6,436.98 = 2,675.61 : x
2. Step 2: Convert to fraction form
   4,665.78/6,436.98 = 2,675.61/x
3. Step 3: Cross multiply
   4,665.78x = 6,436.98 × 2,675.61
4. Step 4: Simplify right side
   4,665.78x = 17,222,848.06
5. Step 5: Solve for x
   x = 17,222,848.06/4,665.78
6. Step 6: Final answer
   x = 3,691.31