Finding the Fourth Proportional to 1,792.72, 2,686.33 and 1,401.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.72 : 2,686.33 = 1,401.79 : x
2. Step 2: Convert to fraction form
   1,792.72/2,686.33 = 1,401.79/x
3. Step 3: Cross multiply
   1,792.72x = 2,686.33 × 1,401.79
4. Step 4: Simplify right side
   1,792.72x = 3,765,670.53
5. Step 5: Solve for x
   x = 3,765,670.53/1,792.72
6. Step 6: Final answer
   x = 2,100.53