Finding the Fourth Proportional to 1,719.78, 2,373.28 and 933.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.78 : 2,373.28 = 933.83 : x
2. Step 2: Convert to fraction form
   1,719.78/2,373.28 = 933.83/x
3. Step 3: Cross multiply
   1,719.78x = 2,373.28 × 933.83
4. Step 4: Simplify right side
   1,719.78x = 2,216,240.01
5. Step 5: Solve for x
   x = 2,216,240.01/1,719.78
6. Step 6: Final answer
   x = 1,288.68