Finding the Fourth Proportional to 2,564.51, 3,539.34 and 1,445.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564.51 : 3,539.34 = 1,445.49 : x
2. Step 2: Convert to fraction form
   2,564.51/3,539.34 = 1,445.49/x
3. Step 3: Cross multiply
   2,564.51x = 3,539.34 × 1,445.49
4. Step 4: Simplify right side
   2,564.51x = 5,116,080.58
5. Step 5: Solve for x
   x = 5,116,080.58/2,564.51
6. Step 6: Final answer
   x = 1,994.96