Finding the Fourth Proportional to 10,356.89, 15,536.68 and 3,786.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,356.89 : 15,536.68 = 3,786.17 : x
2. Step 2: Convert to fraction form
   10,356.89/15,536.68 = 3,786.17/x
3. Step 3: Cross multiply
   10,356.89x = 15,536.68 × 3,786.17
4. Step 4: Simplify right side
   10,356.89x = 58,824,424.57
5. Step 5: Solve for x
   x = 58,824,424.57/10,356.89
6. Step 6: Final answer
   x = 5,679.74