Finding the Fourth Proportional to 9,507.12, 13,116.76 and 5,314.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.12 : 13,116.76 = 5,314.56 : x
2. Step 2: Convert to fraction form
   9,507.12/13,116.76 = 5,314.56/x
3. Step 3: Cross multiply
   9,507.12x = 13,116.76 × 5,314.56
4. Step 4: Simplify right side
   9,507.12x = 69,709,808.03
5. Step 5: Solve for x
   x = 69,709,808.03/9,507.12
6. Step 6: Final answer
   x = 7,332.38