Finding the Fourth Proportional to 1,792.69, 2,685.89 and 1,245.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.69 : 2,685.89 = 1,245.22 : x
2. Step 2: Convert to fraction form
   1,792.69/2,685.89 = 1,245.22/x
3. Step 3: Cross multiply
   1,792.69x = 2,685.89 × 1,245.22
4. Step 4: Simplify right side
   1,792.69x = 3,344,520.34
5. Step 5: Solve for x
   x = 3,344,520.34/1,792.69
6. Step 6: Final answer
   x = 1,865.65