Finding the Fourth Proportional to 2,729.72, 4,095.12 and 999.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.72 : 4,095.12 = 999.56 : x
2. Step 2: Convert to fraction form
   2,729.72/4,095.12 = 999.56/x
3. Step 3: Cross multiply
   2,729.72x = 4,095.12 × 999.56
4. Step 4: Simplify right side
   2,729.72x = 4,093,318.15
5. Step 5: Solve for x
   x = 4,093,318.15/2,729.72
6. Step 6: Final answer
   x = 1,499.54