Finding the Fourth Proportional to 9,507.60, 13,120.48 and 5,730.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.60 : 13,120.48 = 5,730.82 : x
2. Step 2: Convert to fraction form
   9,507.60/13,120.48 = 5,730.82/x
3. Step 3: Cross multiply
   9,507.60x = 13,120.48 × 5,730.82
4. Step 4: Simplify right side
   9,507.60x = 75,191,014.94
5. Step 5: Solve for x
   x = 75,191,014.94/9,507.60
6. Step 6: Final answer
   x = 7,908.52