Finding the Fourth Proportional to 10,613.94, 15,828.25 and 9,303.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,613.94 : 15,828.25 = 9,303.76 : x
2. Step 2: Convert to fraction form
   10,613.94/15,828.25 = 9,303.76/x
3. Step 3: Cross multiply
   10,613.94x = 15,828.25 × 9,303.76
4. Step 4: Simplify right side
   10,613.94x = 147,262,262.48
5. Step 5: Solve for x
   x = 147,262,262.48/10,613.94
6. Step 6: Final answer
   x = 13,874.42