Finding the Fourth Proportional to 21,967.47, 32,935.55 and 10,274.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,967.47 : 32,935.55 = 10,274.31 : x
2. Step 2: Convert to fraction form
   21,967.47/32,935.55 = 10,274.31/x
3. Step 3: Cross multiply
   21,967.47x = 32,935.55 × 10,274.31
4. Step 4: Simplify right side
   21,967.47x = 338,389,999.35
5. Step 5: Solve for x
   x = 338,389,999.35/21,967.47
6. Step 6: Final answer
   x = 15,404.14