Finding the Fourth Proportional to 1,152.06, 1,589.82 and 654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.06 : 1,589.82 = 654.72 : x
2. Step 2: Convert to fraction form
   1,152.06/1,589.82 = 654.72/x
3. Step 3: Cross multiply
   1,152.06x = 1,589.82 × 654.72
4. Step 4: Simplify right side
   1,152.06x = 1,040,886.95
5. Step 5: Solve for x
   x = 1,040,886.95/1,152.06
6. Step 6: Final answer
   x = 903.50