Finding the Fourth Proportional to 9,961.06, 13,744.74 and 5,768.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,961.06 : 13,744.74 = 5,768.50 : x
2. Step 2: Convert to fraction form
   9,961.06/13,744.74 = 5,768.50/x
3. Step 3: Cross multiply
   9,961.06x = 13,744.74 × 5,768.50
4. Step 4: Simplify right side
   9,961.06x = 79,286,532.69
5. Step 5: Solve for x
   x = 79,286,532.69/9,961.06
6. Step 6: Final answer
   x = 7,959.65