Finding the Fourth Proportional to 10,847.46, 14,969.29 and 6,131.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,847.46 : 14,969.29 = 6,131.74 : x
2. Step 2: Convert to fraction form
   10,847.46/14,969.29 = 6,131.74/x
3. Step 3: Cross multiply
   10,847.46x = 14,969.29 × 6,131.74
4. Step 4: Simplify right side
   10,847.46x = 91,787,764.51
5. Step 5: Solve for x
   x = 91,787,764.51/10,847.46
6. Step 6: Final answer
   x = 8,461.69