Finding the Fourth Proportional to 2,792.79, 4,188.74 and 943.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792.79 : 4,188.74 = 943.87 : x
2. Step 2: Convert to fraction form
   2,792.79/4,188.74 = 943.87/x
3. Step 3: Cross multiply
   2,792.79x = 4,188.74 × 943.87
4. Step 4: Simplify right side
   2,792.79x = 3,953,610.83
5. Step 5: Solve for x
   x = 3,953,610.83/2,792.79
6. Step 6: Final answer
   x = 1,415.65