Finding the Fourth Proportional to 21,436.63, 32,157.17 and 5,854.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,436.63 : 32,157.17 = 5,854.25 : x
2. Step 2: Convert to fraction form
   21,436.63/32,157.17 = 5,854.25/x
3. Step 3: Cross multiply
   21,436.63x = 32,157.17 × 5,854.25
4. Step 4: Simplify right side
   21,436.63x = 188,256,083.20
5. Step 5: Solve for x
   x = 188,256,083.20/21,436.63
6. Step 6: Final answer
   x = 8,781.98