Finding the Fourth Proportional to 3,545.98, 4,892.61 and 2,663.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545.98 : 4,892.61 = 2,663.89 : x
2. Step 2: Convert to fraction form
   3,545.98/4,892.61 = 2,663.89/x
3. Step 3: Cross multiply
   3,545.98x = 4,892.61 × 2,663.89
4. Step 4: Simplify right side
   3,545.98x = 13,033,374.85
5. Step 5: Solve for x
   x = 13,033,374.85/3,545.98
6. Step 6: Final answer
   x = 3,675.54