Finding the Fourth Proportional to 23,868.42, 32,868.42 and 21,872.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,868.42 : 32,868.42 = 21,872.58 : x
2. Step 2: Convert to fraction form
   23,868.42/32,868.42 = 21,872.58/x
3. Step 3: Cross multiply
   23,868.42x = 32,868.42 × 21,872.58
4. Step 4: Simplify right side
   23,868.42x = 718,917,145.92
5. Step 5: Solve for x
   x = 718,917,145.92/23,868.42
6. Step 6: Final answer
   x = 30,120.01