Finding the Fourth Proportional to 13,722.01, 18,936.89 and 7,754.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,722.01 : 18,936.89 = 7,754.33 : x
2. Step 2: Convert to fraction form
   13,722.01/18,936.89 = 7,754.33/x
3. Step 3: Cross multiply
   13,722.01x = 18,936.89 × 7,754.33
4. Step 4: Simplify right side
   13,722.01x = 146,842,931.88
5. Step 5: Solve for x
   x = 146,842,931.88/13,722.01
6. Step 6: Final answer
   x = 10,701.27