Finding the Fourth Proportional to 21,589.39, 32,375.58 and 10,492.80

Step by Step Solution

1. Step 1: Write the proportion equation
   21,589.39 : 32,375.58 = 10,492.80 : x
2. Step 2: Convert to fraction form
   21,589.39/32,375.58 = 10,492.80/x
3. Step 3: Cross multiply
   21,589.39x = 32,375.58 × 10,492.80
4. Step 4: Simplify right side
   21,589.39x = 339,710,485.82
5. Step 5: Solve for x
   x = 339,710,485.82/21,589.39
6. Step 6: Final answer
   x = 15,735.07