Finding the Fourth Proportional to 10,454.13, 15,677.15 and 3,878.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.13 : 15,677.15 = 3,878.82 : x
2. Step 2: Convert to fraction form
   10,454.13/15,677.15 = 3,878.82/x
3. Step 3: Cross multiply
   10,454.13x = 15,677.15 × 3,878.82
4. Step 4: Simplify right side
   10,454.13x = 60,808,823.57
5. Step 5: Solve for x
   x = 60,808,823.57/10,454.13
6. Step 6: Final answer
   x = 5,816.73