Finding the Fourth Proportional to 10,196.28, 15,348.15 and 8,692.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.28 : 15,348.15 = 8,692.92 : x
2. Step 2: Convert to fraction form
   10,196.28/15,348.15 = 8,692.92/x
3. Step 3: Cross multiply
   10,196.28x = 15,348.15 × 8,692.92
4. Step 4: Simplify right side
   10,196.28x = 133,420,240.10
5. Step 5: Solve for x
   x = 133,420,240.10/10,196.28
6. Step 6: Final answer
   x = 13,085.19