Finding the Fourth Proportional to 5,488.32, 8,233.20 and 2,890.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488.32 : 8,233.20 = 2,890.56 : x
2. Step 2: Convert to fraction form
   5,488.32/8,233.20 = 2,890.56/x
3. Step 3: Cross multiply
   5,488.32x = 8,233.20 × 2,890.56
4. Step 4: Simplify right side
   5,488.32x = 23,798,558.59
5. Step 5: Solve for x
   x = 23,798,558.59/5,488.32
6. Step 6: Final answer
   x = 4,336.22