Finding the Fourth Proportional to 13,835.78, 19,093.29 and 7,867.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,835.78 : 19,093.29 = 7,867.46 : x
2. Step 2: Convert to fraction form
   13,835.78/19,093.29 = 7,867.46/x
3. Step 3: Cross multiply
   13,835.78x = 19,093.29 × 7,867.46
4. Step 4: Simplify right side
   13,835.78x = 150,215,599.88
5. Step 5: Solve for x
   x = 150,215,599.88/13,835.78
6. Step 6: Final answer
   x = 10,857.04