Finding the Fourth Proportional to 12,765.34, 19,155.50 and 5,369.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,765.34 : 19,155.50 = 5,369.23 : x
2. Step 2: Convert to fraction form
   12,765.34/19,155.50 = 5,369.23/x
3. Step 3: Cross multiply
   12,765.34x = 19,155.50 × 5,369.23
4. Step 4: Simplify right side
   12,765.34x = 102,850,250.80
5. Step 5: Solve for x
   x = 102,850,250.80/12,765.34
6. Step 6: Final answer
   x = 8,056.99