Finding the Fourth Proportional to 9,015.05, 12,440.87 and 4,981.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,015.05 : 12,440.87 = 4,981.86 : x
2. Step 2: Convert to fraction form
   9,015.05/12,440.87 = 4,981.86/x
3. Step 3: Cross multiply
   9,015.05x = 12,440.87 × 4,981.86
4. Step 4: Simplify right side
   9,015.05x = 61,978,585.50
5. Step 5: Solve for x
   x = 61,978,585.50/9,015.05
6. Step 6: Final answer
   x = 6,875.02