Finding the Fourth Proportional to 1,155.89, 1,733.83 and 997.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.89 : 1,733.83 = 997.33 : x
2. Step 2: Convert to fraction form
   1,155.89/1,733.83 = 997.33/x
3. Step 3: Cross multiply
   1,155.89x = 1,733.83 × 997.33
4. Step 4: Simplify right side
   1,155.89x = 1,729,200.67
5. Step 5: Solve for x
   x = 1,729,200.67/1,155.89
6. Step 6: Final answer
   x = 1,495.99