Finding the Fourth Proportional to 21,084.89, 31,632.53 and 14,857.06

Step by Step Solution

1. Step 1: Write the proportion equation
   21,084.89 : 31,632.53 = 14,857.06 : x
2. Step 2: Convert to fraction form
   21,084.89/31,632.53 = 14,857.06/x
3. Step 3: Cross multiply
   21,084.89x = 31,632.53 × 14,857.06
4. Step 4: Simplify right side
   21,084.89x = 469,966,438.10
5. Step 5: Solve for x
   x = 469,966,438.10/21,084.89
6. Step 6: Final answer
   x = 22,289.25