Finding the Fourth Proportional to 23,188.05, 31,994.19 and 13,114.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,188.05 : 31,994.19 = 13,114.31 : x
2. Step 2: Convert to fraction form
   23,188.05/31,994.19 = 13,114.31/x
3. Step 3: Cross multiply
   23,188.05x = 31,994.19 × 13,114.31
4. Step 4: Simplify right side
   23,188.05x = 419,581,565.89
5. Step 5: Solve for x
   x = 419,581,565.89/23,188.05
6. Step 6: Final answer
   x = 18,094.73