Finding the Fourth Proportional to 9,507.10, 13,119.79 and 5,730.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.10 : 13,119.79 = 5,730.32 : x
2. Step 2: Convert to fraction form
   9,507.10/13,119.79 = 5,730.32/x
3. Step 3: Cross multiply
   9,507.10x = 13,119.79 × 5,730.32
4. Step 4: Simplify right side
   9,507.10x = 75,180,515.11
5. Step 5: Solve for x
   x = 75,180,515.11/9,507.10
6. Step 6: Final answer
   x = 7,907.83