Finding the Fourth Proportional to 22,515.08, 31,072.56 and 13,084.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,515.08 : 31,072.56 = 13,084.34 : x
2. Step 2: Convert to fraction form
   22,515.08/31,072.56 = 13,084.34/x
3. Step 3: Cross multiply
   22,515.08x = 31,072.56 × 13,084.34
4. Step 4: Simplify right side
   22,515.08x = 406,563,939.71
5. Step 5: Solve for x
   x = 406,563,939.71/22,515.08
6. Step 6: Final answer
   x = 18,057.41