Finding the Fourth Proportional to 21,436.13, 32,156.42 and 5,853.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,436.13 : 32,156.42 = 5,853.75 : x
2. Step 2: Convert to fraction form
   21,436.13/32,156.42 = 5,853.75/x
3. Step 3: Cross multiply
   21,436.13x = 32,156.42 × 5,853.75
4. Step 4: Simplify right side
   21,436.13x = 188,235,614.31
5. Step 5: Solve for x
   x = 188,235,614.31/21,436.13
6. Step 6: Final answer
   x = 8,781.23