Finding the Fourth Proportional to 8,503.88, 11,735.61 and 5,147.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,503.88 : 11,735.61 = 5,147.31 : x
2. Step 2: Convert to fraction form
   8,503.88/11,735.61 = 5,147.31/x
3. Step 3: Cross multiply
   8,503.88x = 11,735.61 × 5,147.31
4. Step 4: Simplify right side
   8,503.88x = 60,406,795.88
5. Step 5: Solve for x
   x = 60,406,795.88/8,503.88
6. Step 6: Final answer
   x = 7,103.44