Finding the Fourth Proportional to 21,834.24, 32,758.72 and 8,683.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,834.24 : 32,758.72 = 8,683.12 : x
2. Step 2: Convert to fraction form
   21,834.24/32,758.72 = 8,683.12/x
3. Step 3: Cross multiply
   21,834.24x = 32,758.72 × 8,683.12
4. Step 4: Simplify right side
   21,834.24x = 284,447,896.81
5. Step 5: Solve for x
   x = 284,447,896.81/21,834.24
6. Step 6: Final answer
   x = 13,027.61