Finding the Fourth Proportional to 10,613.69, 15,827.88 and 9,303.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,613.69 : 15,827.88 = 9,303.51 : x
2. Step 2: Convert to fraction form
   10,613.69/15,827.88 = 9,303.51/x
3. Step 3: Cross multiply
   10,613.69x = 15,827.88 × 9,303.51
4. Step 4: Simplify right side
   10,613.69x = 147,254,839.86
5. Step 5: Solve for x
   x = 147,254,839.86/10,613.69
6. Step 6: Final answer
   x = 13,874.05