Finding the Fourth Proportional to 1,152.16, 1,590.03 and 654.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.16 : 1,590.03 = 654.82 : x
2. Step 2: Convert to fraction form
   1,152.16/1,590.03 = 654.82/x
3. Step 3: Cross multiply
   1,152.16x = 1,590.03 × 654.82
4. Step 4: Simplify right side
   1,152.16x = 1,041,179.47
5. Step 5: Solve for x
   x = 1,041,179.47/1,152.16
6. Step 6: Final answer
   x = 903.68