Finding the Fourth Proportional to 9,519.42, 13,135.24 and 5,980.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,519.42 : 13,135.24 = 5,980.13 : x
2. Step 2: Convert to fraction form
   9,519.42/13,135.24 = 5,980.13/x
3. Step 3: Cross multiply
   9,519.42x = 13,135.24 × 5,980.13
4. Step 4: Simplify right side
   9,519.42x = 78,550,362.15
5. Step 5: Solve for x
   x = 78,550,362.15/9,519.42
6. Step 6: Final answer
   x = 8,251.59