Finding the Fourth Proportional to 21,827.46, 32,742.94 and 10,579.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,827.46 : 32,742.94 = 10,579.52 : x
2. Step 2: Convert to fraction form
   21,827.46/32,742.94 = 10,579.52/x
3. Step 3: Cross multiply
   21,827.46x = 32,742.94 × 10,579.52
4. Step 4: Simplify right side
   21,827.46x = 346,404,588.59
5. Step 5: Solve for x
   x = 346,404,588.59/21,827.46
6. Step 6: Final answer
   x = 15,870.13