Finding the Fourth Proportional to 9,811.56, 14,719.90 and 5,940.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,811.56 : 14,719.90 = 5,940.84 : x
2. Step 2: Convert to fraction form
   9,811.56/14,719.90 = 5,940.84/x
3. Step 3: Cross multiply
   9,811.56x = 14,719.90 × 5,940.84
4. Step 4: Simplify right side
   9,811.56x = 87,448,570.72
5. Step 5: Solve for x
   x = 87,448,570.72/9,811.56
6. Step 6: Final answer
   x = 8,912.81