Finding the Fourth Proportional to 5,554.56, 7,667.76 and 4,228.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,554.56 : 7,667.76 = 4,228.32 : x
2. Step 2: Convert to fraction form
   5,554.56/7,667.76 = 4,228.32/x
3. Step 3: Cross multiply
   5,554.56x = 7,667.76 × 4,228.32
4. Step 4: Simplify right side
   5,554.56x = 32,421,742.96
5. Step 5: Solve for x
   x = 32,421,742.96/5,554.56
6. Step 6: Final answer
   x = 5,836.96