Finding the Fourth Proportional to 2,299.68, 3,450.72 and 1,145.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299.68 : 3,450.72 = 1,145.52 : x
2. Step 2: Convert to fraction form
   2,299.68/3,450.72 = 1,145.52/x
3. Step 3: Cross multiply
   2,299.68x = 3,450.72 × 1,145.52
4. Step 4: Simplify right side
   2,299.68x = 3,952,868.77
5. Step 5: Solve for x
   x = 3,952,868.77/2,299.68
6. Step 6: Final answer
   x = 1,718.88