Finding the Fourth Proportional to 7,554.69, 10,413.35 and 5,131.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,554.69 : 10,413.35 = 5,131.30 : x
2. Step 2: Convert to fraction form
   7,554.69/10,413.35 = 5,131.30/x
3. Step 3: Cross multiply
   7,554.69x = 10,413.35 × 5,131.30
4. Step 4: Simplify right side
   7,554.69x = 53,434,022.86
5. Step 5: Solve for x
   x = 53,434,022.86/7,554.69
6. Step 6: Final answer
   x = 7,072.96