Finding the Fourth Proportional to 21,843.30, 30,111.96 and 17,368.86

Step by Step Solution

1. Step 1: Write the proportion equation
   21,843.30 : 30,111.96 = 17,368.86 : x
2. Step 2: Convert to fraction form
   21,843.30/30,111.96 = 17,368.86/x
3. Step 3: Cross multiply
   21,843.30x = 30,111.96 × 17,368.86
4. Step 4: Simplify right side
   21,843.30x = 523,010,417.57
5. Step 5: Solve for x
   x = 523,010,417.57/21,843.30
6. Step 6: Final answer
   x = 23,943.75