Finding the Fourth Proportional to 6,861.71, 9,463.40 and 5,443.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,861.71 : 9,463.40 = 5,443.16 : x
2. Step 2: Convert to fraction form
   6,861.71/9,463.40 = 5,443.16/x
3. Step 3: Cross multiply
   6,861.71x = 9,463.40 × 5,443.16
4. Step 4: Simplify right side
   6,861.71x = 51,510,725.81
5. Step 5: Solve for x
   x = 51,510,725.81/6,861.71
6. Step 6: Final answer
   x = 7,506.98