Finding the Fourth Proportional to 9,015.12, 12,440.83 and 4,981.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,015.12 : 12,440.83 = 4,981.83 : x
2. Step 2: Convert to fraction form
   9,015.12/12,440.83 = 4,981.83/x
3. Step 3: Cross multiply
   9,015.12x = 12,440.83 × 4,981.83
4. Step 4: Simplify right side
   9,015.12x = 61,978,095.44
5. Step 5: Solve for x
   x = 61,978,095.44/9,015.12
6. Step 6: Final answer
   x = 6,874.91