Finding the Fourth Proportional to 13,019.94, 19,535.38 and 8,093.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.94 : 19,535.38 = 8,093.72 : x
2. Step 2: Convert to fraction form
   13,019.94/19,535.38 = 8,093.72/x
3. Step 3: Cross multiply
   13,019.94x = 19,535.38 × 8,093.72
4. Step 4: Simplify right side
   13,019.94x = 158,113,924.42
5. Step 5: Solve for x
   x = 158,113,924.42/13,019.94
6. Step 6: Final answer
   x = 12,143.98