Finding the Fourth Proportional to 9,507.84, 13,120.82 and 5,316.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.84 : 13,120.82 = 5,316.10 : x
2. Step 2: Convert to fraction form
   9,507.84/13,120.82 = 5,316.10/x
3. Step 3: Cross multiply
   9,507.84x = 13,120.82 × 5,316.10
4. Step 4: Simplify right side
   9,507.84x = 69,751,591.20
5. Step 5: Solve for x
   x = 69,751,591.20/9,507.84
6. Step 6: Final answer
   x = 7,336.22