Finding the Fourth Proportional to 14,761.89, 20,357.73 and 10,994.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,761.89 : 20,357.73 = 10,994.31 : x
2. Step 2: Convert to fraction form
   14,761.89/20,357.73 = 10,994.31/x
3. Step 3: Cross multiply
   14,761.89x = 20,357.73 × 10,994.31
4. Step 4: Simplify right side
   14,761.89x = 223,819,194.52
5. Step 5: Solve for x
   x = 223,819,194.52/14,761.89
6. Step 6: Final answer
   x = 15,161.96