Finding the Fourth Proportional to 2,991.53, 4,495.52 and 1,605.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991.53 : 4,495.52 = 1,605.89 : x
2. Step 2: Convert to fraction form
   2,991.53/4,495.52 = 1,605.89/x
3. Step 3: Cross multiply
   2,991.53x = 4,495.52 × 1,605.89
4. Step 4: Simplify right side
   2,991.53x = 7,219,292.15
5. Step 5: Solve for x
   x = 7,219,292.15/2,991.53
6. Step 6: Final answer
   x = 2,413.25