Finding the Fourth Proportional to 23,155.39, 31,955.70 and 13,084.26

Step by Step Solution

1. Step 1: Write the proportion equation
   23,155.39 : 31,955.70 = 13,084.26 : x
2. Step 2: Convert to fraction form
   23,155.39/31,955.70 = 13,084.26/x
3. Step 3: Cross multiply
   23,155.39x = 31,955.70 × 13,084.26
4. Step 4: Simplify right side
   23,155.39x = 418,116,687.28
5. Step 5: Solve for x
   x = 418,116,687.28/23,155.39
6. Step 6: Final answer
   x = 18,056.99