Finding the Fourth Proportional to 9,313.04, 12,854.72 and 5,538.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,313.04 : 12,854.72 = 5,538.87 : x
2. Step 2: Convert to fraction form
   9,313.04/12,854.72 = 5,538.87/x
3. Step 3: Cross multiply
   9,313.04x = 12,854.72 × 5,538.87
4. Step 4: Simplify right side
   9,313.04x = 71,200,636.81
5. Step 5: Solve for x
   x = 71,200,636.81/9,313.04
6. Step 6: Final answer
   x = 7,645.26