Finding the Fourth Proportional to 13,889.33, 19,168.82 and 7,922.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,889.33 : 19,168.82 = 7,922.46 : x
2. Step 2: Convert to fraction form
   13,889.33/19,168.82 = 7,922.46/x
3. Step 3: Cross multiply
   13,889.33x = 19,168.82 × 7,922.46
4. Step 4: Simplify right side
   13,889.33x = 151,864,209.70
5. Step 5: Solve for x
   x = 151,864,209.70/13,889.33
6. Step 6: Final answer
   x = 10,933.88