Finding the Fourth Proportional to 10,061.76, 15,086.76 and 3,039.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.76 : 15,086.76 = 3,039.68 : x
2. Step 2: Convert to fraction form
   10,061.76/15,086.76 = 3,039.68/x
3. Step 3: Cross multiply
   10,061.76x = 15,086.76 × 3,039.68
4. Step 4: Simplify right side
   10,061.76x = 45,858,922.64
5. Step 5: Solve for x
   x = 45,858,922.64/10,061.76
6. Step 6: Final answer
   x = 4,557.74