Finding the Fourth Proportional to 21,488.00, 32,213.66 and 8,153.53

Step by Step Solution

1. Step 1: Write the proportion equation
   21,488.00 : 32,213.66 = 8,153.53 : x
2. Step 2: Convert to fraction form
   21,488.00/32,213.66 = 8,153.53/x
3. Step 3: Cross multiply
   21,488.00x = 32,213.66 × 8,153.53
4. Step 4: Simplify right side
   21,488.00x = 262,654,921.92
5. Step 5: Solve for x
   x = 262,654,921.92/21,488.00
6. Step 6: Final answer
   x = 12,223.33