Finding the Fourth Proportional to 2,561.63, 3,534.44 and 1,442.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.63 : 3,534.44 = 1,442.34 : x
2. Step 2: Convert to fraction form
   2,561.63/3,534.44 = 1,442.34/x
3. Step 3: Cross multiply
   2,561.63x = 3,534.44 × 1,442.34
4. Step 4: Simplify right side
   2,561.63x = 5,097,856.98
5. Step 5: Solve for x
   x = 5,097,856.98/2,561.63
6. Step 6: Final answer
   x = 1,990.09