Finding the Fourth Proportional to 8,311.01, 12,435.53 and 4,981.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,311.01 : 12,435.53 = 4,981.10 : x
2. Step 2: Convert to fraction form
   8,311.01/12,435.53 = 4,981.10/x
3. Step 3: Cross multiply
   8,311.01x = 12,435.53 × 4,981.10
4. Step 4: Simplify right side
   8,311.01x = 61,942,531.40
5. Step 5: Solve for x
   x = 61,942,531.40/8,311.01
6. Step 6: Final answer
   x = 7,453.07