Finding the Fourth Proportional to 2,294.69, 3,440.86 and 1,122.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,294.69 : 3,440.86 = 1,122.93 : x
2. Step 2: Convert to fraction form
   2,294.69/3,440.86 = 1,122.93/x
3. Step 3: Cross multiply
   2,294.69x = 3,440.86 × 1,122.93
4. Step 4: Simplify right side
   2,294.69x = 3,863,842.11
5. Step 5: Solve for x
   x = 3,863,842.11/2,294.69
6. Step 6: Final answer
   x = 1,683.82