Finding the Fourth Proportional to 2,561.16, 3,534.47 and 1,442.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.16 : 3,534.47 = 1,442.14 : x
2. Step 2: Convert to fraction form
   2,561.16/3,534.47 = 1,442.14/x
3. Step 3: Cross multiply
   2,561.16x = 3,534.47 × 1,442.14
4. Step 4: Simplify right side
   2,561.16x = 5,097,213.86
5. Step 5: Solve for x
   x = 5,097,213.86/2,561.16
6. Step 6: Final answer
   x = 1,990.19