Finding the Fourth Proportional to 8,747.10, 12,070.56 and 4,969.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,747.10 : 12,070.56 = 4,969.76 : x
2. Step 2: Convert to fraction form
   8,747.10/12,070.56 = 4,969.76/x
3. Step 3: Cross multiply
   8,747.10x = 12,070.56 × 4,969.76
4. Step 4: Simplify right side
   8,747.10x = 59,987,797.81
5. Step 5: Solve for x
   x = 59,987,797.81/8,747.10
6. Step 6: Final answer
   x = 6,858.02