Finding the Fourth Proportional to 1,132.59, 1,697.67 and 554.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.59 : 1,697.67 = 554.25 : x
2. Step 2: Convert to fraction form
   1,132.59/1,697.67 = 554.25/x
3. Step 3: Cross multiply
   1,132.59x = 1,697.67 × 554.25
4. Step 4: Simplify right side
   1,132.59x = 940,933.60
5. Step 5: Solve for x
   x = 940,933.60/1,132.59
6. Step 6: Final answer
   x = 830.78