Finding the Fourth Proportional to 3,977.07, 5,488.59 and 2,298.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.07 : 5,488.59 = 2,298.54 : x
2. Step 2: Convert to fraction form
   3,977.07/5,488.59 = 2,298.54/x
3. Step 3: Cross multiply
   3,977.07x = 5,488.59 × 2,298.54
4. Step 4: Simplify right side
   3,977.07x = 12,615,743.66
5. Step 5: Solve for x
   x = 12,615,743.66/3,977.07
6. Step 6: Final answer
   x = 3,172.12