Finding the Fourth Proportional to 12,595.86, 18,894.72 and 5,198.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,595.86 : 18,894.72 = 5,198.34 : x
2. Step 2: Convert to fraction form
   12,595.86/18,894.72 = 5,198.34/x
3. Step 3: Cross multiply
   12,595.86x = 18,894.72 × 5,198.34
4. Step 4: Simplify right side
   12,595.86x = 98,221,178.76
5. Step 5: Solve for x
   x = 98,221,178.76/12,595.86
6. Step 6: Final answer
   x = 7,797.89