Finding the Fourth Proportional to 1,719.73, 2,373.22 and 933.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.73 : 2,373.22 = 933.78 : x
2. Step 2: Convert to fraction form
   1,719.73/2,373.22 = 933.78/x
3. Step 3: Cross multiply
   1,719.73x = 2,373.22 × 933.78
4. Step 4: Simplify right side
   1,719.73x = 2,216,065.37
5. Step 5: Solve for x
   x = 2,216,065.37/1,719.73
6. Step 6: Final answer
   x = 1,288.61