Finding the Fourth Proportional to 23,243.18, 32,078.18 and 21,817.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,243.18 : 32,078.18 = 21,817.98 : x
2. Step 2: Convert to fraction form
   23,243.18/32,078.18 = 21,817.98/x
3. Step 3: Cross multiply
   23,243.18x = 32,078.18 × 21,817.98
4. Step 4: Simplify right side
   23,243.18x = 699,881,144.22
5. Step 5: Solve for x
   x = 699,881,144.22/23,243.18
6. Step 6: Final answer
   x = 30,111.25