Finding the Fourth Proportional to 2,152.17, 3,227.87 and 1,369.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.17 : 3,227.87 = 1,369.85 : x
2. Step 2: Convert to fraction form
   2,152.17/3,227.87 = 1,369.85/x
3. Step 3: Cross multiply
   2,152.17x = 3,227.87 × 1,369.85
4. Step 4: Simplify right side
   2,152.17x = 4,421,697.72
5. Step 5: Solve for x
   x = 4,421,697.72/2,152.17
6. Step 6: Final answer
   x = 2,054.53