Finding the Fourth Proportional to 9,506.75, 13,119.72 and 5,315

Step by Step Solution

1. Step 1: Write the proportion equation
   9,506.75 : 13,119.72 = 5,315 : x
2. Step 2: Convert to fraction form
   9,506.75/13,119.72 = 5,315/x
3. Step 3: Cross multiply
   9,506.75x = 13,119.72 × 5,315
4. Step 4: Simplify right side
   9,506.75x = 69,731,311.80
5. Step 5: Solve for x
   x = 69,731,311.80/9,506.75
6. Step 6: Final answer
   x = 7,334.93