Finding the Fourth Proportional to 5,538.57, 7,676.23 and 5,434.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,538.57 : 7,676.23 = 5,434.89 : x
2. Step 2: Convert to fraction form
   5,538.57/7,676.23 = 5,434.89/x
3. Step 3: Cross multiply
   5,538.57x = 7,676.23 × 5,434.89
4. Step 4: Simplify right side
   5,538.57x = 41,719,438.49
5. Step 5: Solve for x
   x = 41,719,438.49/5,538.57
6. Step 6: Final answer
   x = 7,532.53