Finding the Fourth Proportional to 2,564.42, 3,538.91 and 1,445.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564.42 : 3,538.91 = 1,445.37 : x
2. Step 2: Convert to fraction form
   2,564.42/3,538.91 = 1,445.37/x
3. Step 3: Cross multiply
   2,564.42x = 3,538.91 × 1,445.37
4. Step 4: Simplify right side
   2,564.42x = 5,115,027.12
5. Step 5: Solve for x
   x = 5,115,027.12/2,564.42
6. Step 6: Final answer
   x = 1,994.62