Finding the Fourth Proportional to 1,158.37, 1,738.53 and 610.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.37 : 1,738.53 = 610.94 : x
2. Step 2: Convert to fraction form
   1,158.37/1,738.53 = 610.94/x
3. Step 3: Cross multiply
   1,158.37x = 1,738.53 × 610.94
4. Step 4: Simplify right side
   1,158.37x = 1,062,141.86
5. Step 5: Solve for x
   x = 1,062,141.86/1,158.37
6. Step 6: Final answer
   x = 916.93