Finding the Fourth Proportional to 21,719.94, 32,584.23 and 7,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,719.94 : 32,584.23 = 7,683.72 : x
2. Step 2: Convert to fraction form
   21,719.94/32,584.23 = 7,683.72/x
3. Step 3: Cross multiply
   21,719.94x = 32,584.23 × 7,683.72
4. Step 4: Simplify right side
   21,719.94x = 250,368,099.74
5. Step 5: Solve for x
   x = 250,368,099.74/21,719.94
6. Step 6: Final answer
   x = 11,527.11