Finding the Fourth Proportional to 1,173.82, 1,757.98 and 930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.82 : 1,757.98 = 930.50 : x
2. Step 2: Convert to fraction form
   1,173.82/1,757.98 = 930.50/x
3. Step 3: Cross multiply
   1,173.82x = 1,757.98 × 930.50
4. Step 4: Simplify right side
   1,173.82x = 1,635,800.39
5. Step 5: Solve for x
   x = 1,635,800.39/1,173.82
6. Step 6: Final answer
   x = 1,393.57