Finding the Fourth Proportional to 21,797.64, 32,691.59 and 10,109.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,797.64 : 32,691.59 = 10,109.34 : x
2. Step 2: Convert to fraction form
   21,797.64/32,691.59 = 10,109.34/x
3. Step 3: Cross multiply
   21,797.64x = 32,691.59 × 10,109.34
4. Step 4: Simplify right side
   21,797.64x = 330,490,398.45
5. Step 5: Solve for x
   x = 330,490,398.45/21,797.64
6. Step 6: Final answer
   x = 15,161.75