Finding the Fourth Proportional to 7,870.56, 10,863.04 and 4,513.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.56 : 10,863.04 = 4,513.92 : x
2. Step 2: Convert to fraction form
   7,870.56/10,863.04 = 4,513.92/x
3. Step 3: Cross multiply
   7,870.56x = 10,863.04 × 4,513.92
4. Step 4: Simplify right side
   7,870.56x = 49,034,893.52
5. Step 5: Solve for x
   x = 49,034,893.52/7,870.56
6. Step 6: Final answer
   x = 6,230.17