Finding the Fourth Proportional to 2,153.72, 3,224.82 and 1,770.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.72 : 3,224.82 = 1,770.68 : x
2. Step 2: Convert to fraction form
   2,153.72/3,224.82 = 1,770.68/x
3. Step 3: Cross multiply
   2,153.72x = 3,224.82 × 1,770.68
4. Step 4: Simplify right side
   2,153.72x = 5,710,124.28
5. Step 5: Solve for x
   x = 5,710,124.28/2,153.72
6. Step 6: Final answer
   x = 2,651.28