Finding the Fourth Proportional to 13,892.22, 19,171.71 and 7,923.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.22 : 19,171.71 = 7,923.78 : x
2. Step 2: Convert to fraction form
   13,892.22/19,171.71 = 7,923.78/x
3. Step 3: Cross multiply
   13,892.22x = 19,171.71 × 7,923.78
4. Step 4: Simplify right side
   13,892.22x = 151,912,412.26
5. Step 5: Solve for x
   x = 151,912,412.26/13,892.22
6. Step 6: Final answer
   x = 10,935.07