Finding the Fourth Proportional to 2,897.25, 4,308.60 and 2,804.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.25 : 4,308.60 = 2,804.99 : x
2. Step 2: Convert to fraction form
   2,897.25/4,308.60 = 2,804.99/x
3. Step 3: Cross multiply
   2,897.25x = 4,308.60 × 2,804.99
4. Step 4: Simplify right side
   2,897.25x = 12,085,558.37
5. Step 5: Solve for x
   x = 12,085,558.37/2,897.25
6. Step 6: Final answer
   x = 4,171.39