Finding the Fourth Proportional to 2,564.34, 3,537.98 and 1,445.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564.34 : 3,537.98 = 1,445.10 : x
2. Step 2: Convert to fraction form
   2,564.34/3,537.98 = 1,445.10/x
3. Step 3: Cross multiply
   2,564.34x = 3,537.98 × 1,445.10
4. Step 4: Simplify right side
   2,564.34x = 5,112,734.90
5. Step 5: Solve for x
   x = 5,112,734.90/2,564.34
6. Step 6: Final answer
   x = 1,993.78