Finding the Fourth Proportional to 21,096.55, 31,632.81 and 8,601.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,096.55 : 31,632.81 = 8,601.94 : x
2. Step 2: Convert to fraction form
   21,096.55/31,632.81 = 8,601.94/x
3. Step 3: Cross multiply
   21,096.55x = 31,632.81 × 8,601.94
4. Step 4: Simplify right side
   21,096.55x = 272,103,533.65
5. Step 5: Solve for x
   x = 272,103,533.65/21,096.55
6. Step 6: Final answer
   x = 12,898.01