Finding the Fourth Proportional to 21,994.01, 32,964.56 and 10,131.47

Step by Step Solution

1. Step 1: Write the proportion equation
   21,994.01 : 32,964.56 = 10,131.47 : x
2. Step 2: Convert to fraction form
   21,994.01/32,964.56 = 10,131.47/x
3. Step 3: Cross multiply
   21,994.01x = 32,964.56 × 10,131.47
4. Step 4: Simplify right side
   21,994.01x = 333,979,235.22
5. Step 5: Solve for x
   x = 333,979,235.22/21,994.01
6. Step 6: Final answer
   x = 15,185.01