Finding the Fourth Proportional to 10,178.82, 15,291.63 and 7,183.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,178.82 : 15,291.63 = 7,183.76 : x
2. Step 2: Convert to fraction form
   10,178.82/15,291.63 = 7,183.76/x
3. Step 3: Cross multiply
   10,178.82x = 15,291.63 × 7,183.76
4. Step 4: Simplify right side
   10,178.82x = 109,851,323.47
5. Step 5: Solve for x
   x = 109,851,323.47/10,178.82
6. Step 6: Final answer
   x = 10,792.15