Finding the Fourth Proportional to 1,152.47, 1,590.56 and 655.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.47 : 1,590.56 = 655.27 : x
2. Step 2: Convert to fraction form
   1,152.47/1,590.56 = 655.27/x
3. Step 3: Cross multiply
   1,152.47x = 1,590.56 × 655.27
4. Step 4: Simplify right side
   1,152.47x = 1,042,246.25
5. Step 5: Solve for x
   x = 1,042,246.25/1,152.47
6. Step 6: Final answer
   x = 904.36