Finding the Fourth Proportional to 9,449.98, 13,040.62 and 5,200.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,449.98 : 13,040.62 = 5,200.80 : x
2. Step 2: Convert to fraction form
   9,449.98/13,040.62 = 5,200.80/x
3. Step 3: Cross multiply
   9,449.98x = 13,040.62 × 5,200.80
4. Step 4: Simplify right side
   9,449.98x = 67,821,656.50
5. Step 5: Solve for x
   x = 67,821,656.50/9,449.98
6. Step 6: Final answer
   x = 7,176.91