Finding the Fourth Proportional to 10,894.72, 15,035.04 and 7,713.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,894.72 : 15,035.04 = 7,713.69 : x
2. Step 2: Convert to fraction form
   10,894.72/15,035.04 = 7,713.69/x
3. Step 3: Cross multiply
   10,894.72x = 15,035.04 × 7,713.69
4. Step 4: Simplify right side
   10,894.72x = 115,975,637.70
5. Step 5: Solve for x
   x = 115,975,637.70/10,894.72
6. Step 6: Final answer
   x = 10,645.13