Finding the Fourth Proportional to 1,132.37, 1,697.48 and 611.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.37 : 1,697.48 = 611.58 : x
2. Step 2: Convert to fraction form
   1,132.37/1,697.48 = 611.58/x
3. Step 3: Cross multiply
   1,132.37x = 1,697.48 × 611.58
4. Step 4: Simplify right side
   1,132.37x = 1,038,141.76
5. Step 5: Solve for x
   x = 1,038,141.76/1,132.37
6. Step 6: Final answer
   x = 916.79