Finding the Fourth Proportional to 7,878.27, 10,870.50 and 4,894.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,878.27 : 10,870.50 = 4,894.83 : x
2. Step 2: Convert to fraction form
   7,878.27/10,870.50 = 4,894.83/x
3. Step 3: Cross multiply
   7,878.27x = 10,870.50 × 4,894.83
4. Step 4: Simplify right side
   7,878.27x = 53,209,249.52
5. Step 5: Solve for x
   x = 53,209,249.52/7,878.27
6. Step 6: Final answer
   x = 6,753.93