Finding the Fourth Proportional to 21,434.00, 32,171.70 and 10,348.47

Step by Step Solution

1. Step 1: Write the proportion equation
   21,434.00 : 32,171.70 = 10,348.47 : x
2. Step 2: Convert to fraction form
   21,434.00/32,171.70 = 10,348.47/x
3. Step 3: Cross multiply
   21,434.00x = 32,171.70 × 10,348.47
4. Step 4: Simplify right side
   21,434.00x = 332,927,872.30
5. Step 5: Solve for x
   x = 332,927,872.30/21,434.00
6. Step 6: Final answer
   x = 15,532.70