Finding the Fourth Proportional to 7,818.32, 10,788.72 and 4,280.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,818.32 : 10,788.72 = 4,280.96 : x
2. Step 2: Convert to fraction form
   7,818.32/10,788.72 = 4,280.96/x
3. Step 3: Cross multiply
   7,818.32x = 10,788.72 × 4,280.96
4. Step 4: Simplify right side
   7,818.32x = 46,186,078.77
5. Step 5: Solve for x
   x = 46,186,078.77/7,818.32
6. Step 6: Final answer
   x = 5,907.42