Finding the Fourth Proportional to 8,770.51, 12,099.36 and 5,413.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.51 : 12,099.36 = 5,413.46 : x
2. Step 2: Convert to fraction form
   8,770.51/12,099.36 = 5,413.46/x
3. Step 3: Cross multiply
   8,770.51x = 12,099.36 × 5,413.46
4. Step 4: Simplify right side
   8,770.51x = 65,499,431.63
5. Step 5: Solve for x
   x = 65,499,431.63/8,770.51
6. Step 6: Final answer
   x = 7,468.15