Finding the Fourth Proportional to 22,621.08, 34,105.20 and 21,096.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,621.08 : 34,105.20 = 21,096.54 : x
2. Step 2: Convert to fraction form
   22,621.08/34,105.20 = 21,096.54/x
3. Step 3: Cross multiply
   22,621.08x = 34,105.20 × 21,096.54
4. Step 4: Simplify right side
   22,621.08x = 719,501,716.01
5. Step 5: Solve for x
   x = 719,501,716.01/22,621.08
6. Step 6: Final answer
   x = 31,806.69