Finding the Fourth Proportional to 13,893.59, 19,173.38 and 7,844.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,893.59 : 19,173.38 = 7,844.15 : x
2. Step 2: Convert to fraction form
   13,893.59/19,173.38 = 7,844.15/x
3. Step 3: Cross multiply
   13,893.59x = 19,173.38 × 7,844.15
4. Step 4: Simplify right side
   13,893.59x = 150,398,868.73
5. Step 5: Solve for x
   x = 150,398,868.73/13,893.59
6. Step 6: Final answer
   x = 10,825.05