Finding the Fourth Proportional to 2,431.33, 3,353.23 and 1,545.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.33 : 3,353.23 = 1,545.59 : x
2. Step 2: Convert to fraction form
   2,431.33/3,353.23 = 1,545.59/x
3. Step 3: Cross multiply
   2,431.33x = 3,353.23 × 1,545.59
4. Step 4: Simplify right side
   2,431.33x = 5,182,718.76
5. Step 5: Solve for x
   x = 5,182,718.76/2,431.33
6. Step 6: Final answer
   x = 2,131.64