Finding the Fourth Proportional to 1,152.83, 1,590.77 and 655.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.83 : 1,590.77 = 655.49 : x
2. Step 2: Convert to fraction form
   1,152.83/1,590.77 = 655.49/x
3. Step 3: Cross multiply
   1,152.83x = 1,590.77 × 655.49
4. Step 4: Simplify right side
   1,152.83x = 1,042,722.60
5. Step 5: Solve for x
   x = 1,042,722.60/1,152.83
6. Step 6: Final answer
   x = 904.49