Finding the Fourth Proportional to 1,719.42, 2,372.80 and 933.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.42 : 2,372.80 = 933.46 : x
2. Step 2: Convert to fraction form
   1,719.42/2,372.80 = 933.46/x
3. Step 3: Cross multiply
   1,719.42x = 2,372.80 × 933.46
4. Step 4: Simplify right side
   1,719.42x = 2,214,913.89
5. Step 5: Solve for x
   x = 2,214,913.89/1,719.42
6. Step 6: Final answer
   x = 1,288.18