Finding the Fourth Proportional to 23,191.94, 31,994.25 and 13,757.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,191.94 : 31,994.25 = 13,757.06 : x
2. Step 2: Convert to fraction form
   23,191.94/31,994.25 = 13,757.06/x
3. Step 3: Cross multiply
   23,191.94x = 31,994.25 × 13,757.06
4. Step 4: Simplify right side
   23,191.94x = 440,146,816.91
5. Step 5: Solve for x
   x = 440,146,816.91/23,191.94
6. Step 6: Final answer
   x = 18,978.44