Finding the Fourth Proportional to 10,847.64, 14,969.36 and 6,131.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,847.64 : 14,969.36 = 6,131.82 : x
2. Step 2: Convert to fraction form
   10,847.64/14,969.36 = 6,131.82/x
3. Step 3: Cross multiply
   10,847.64x = 14,969.36 × 6,131.82
4. Step 4: Simplify right side
   10,847.64x = 91,789,390.38
5. Step 5: Solve for x
   x = 91,789,390.38/10,847.64
6. Step 6: Final answer
   x = 8,461.69