Finding the Fourth Proportional to 9,507.96, 13,118.76 and 5,730.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.96 : 13,118.76 = 5,730.12 : x
2. Step 2: Convert to fraction form
   9,507.96/13,118.76 = 5,730.12/x
3. Step 3: Cross multiply
   9,507.96x = 13,118.76 × 5,730.12
4. Step 4: Simplify right side
   9,507.96x = 75,172,069.05
5. Step 5: Solve for x
   x = 75,172,069.05/9,507.96
6. Step 6: Final answer
   x = 7,906.22