Finding the Fourth Proportional to 2,296.61, 3,442.41 and 1,127.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.61 : 3,442.41 = 1,127.42 : x
2. Step 2: Convert to fraction form
   2,296.61/3,442.41 = 1,127.42/x
3. Step 3: Cross multiply
   2,296.61x = 3,442.41 × 1,127.42
4. Step 4: Simplify right side
   2,296.61x = 3,881,024.67
5. Step 5: Solve for x
   x = 3,881,024.67/2,296.61
6. Step 6: Final answer
   x = 1,689.90