Finding the Fourth Proportional to 12,369.56, 17,060.04 and 10,874.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,369.56 : 17,060.04 = 10,874.28 : x
2. Step 2: Convert to fraction form
   12,369.56/17,060.04 = 10,874.28/x
3. Step 3: Cross multiply
   12,369.56x = 17,060.04 × 10,874.28
4. Step 4: Simplify right side
   12,369.56x = 185,515,651.77
5. Step 5: Solve for x
   x = 185,515,651.77/12,369.56
6. Step 6: Final answer
   x = 14,997.76