Finding the Fourth Proportional to 21,843.75, 30,113.82 and 18,473.07

Step by Step Solution

1. Step 1: Write the proportion equation
   21,843.75 : 30,113.82 = 18,473.07 : x
2. Step 2: Convert to fraction form
   21,843.75/30,113.82 = 18,473.07/x
3. Step 3: Cross multiply
   21,843.75x = 30,113.82 × 18,473.07
4. Step 4: Simplify right side
   21,843.75x = 556,294,704.83
5. Step 5: Solve for x
   x = 556,294,704.83/21,843.75
6. Step 6: Final answer
   x = 25,467.00