Finding the Fourth Proportional to 23,156.28, 31,955.34 and 13,084.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,156.28 : 31,955.34 = 13,084.56 : x
2. Step 2: Convert to fraction form
   23,156.28/31,955.34 = 13,084.56/x
3. Step 3: Cross multiply
   23,156.28x = 31,955.34 × 13,084.56
4. Step 4: Simplify right side
   23,156.28x = 418,121,563.55
5. Step 5: Solve for x
   x = 418,121,563.55/23,156.28
6. Step 6: Final answer
   x = 18,056.51