Finding the Fourth Proportional to 10,451.94, 15,678.36 and 3,874.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,451.94 : 15,678.36 = 3,874.56 : x
2. Step 2: Convert to fraction form
   10,451.94/15,678.36 = 3,874.56/x
3. Step 3: Cross multiply
   10,451.94x = 15,678.36 × 3,874.56
4. Step 4: Simplify right side
   10,451.94x = 60,746,746.52
5. Step 5: Solve for x
   x = 60,746,746.52/10,451.94
6. Step 6: Final answer
   x = 5,812.01