Finding the Fourth Proportional to 2,792.79, 4,189.17 and 1,061.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792.79 : 4,189.17 = 1,061.43 : x
2. Step 2: Convert to fraction form
   2,792.79/4,189.17 = 1,061.43/x
3. Step 3: Cross multiply
   2,792.79x = 4,189.17 × 1,061.43
4. Step 4: Simplify right side
   2,792.79x = 4,446,510.71
5. Step 5: Solve for x
   x = 4,446,510.71/2,792.79
6. Step 6: Final answer
   x = 1,592.14