Finding the Fourth Proportional to 1,147.59, 1,583.72 and 675.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.59 : 1,583.72 = 675.81 : x
2. Step 2: Convert to fraction form
   1,147.59/1,583.72 = 675.81/x
3. Step 3: Cross multiply
   1,147.59x = 1,583.72 × 675.81
4. Step 4: Simplify right side
   1,147.59x = 1,070,290.43
5. Step 5: Solve for x
   x = 1,070,290.43/1,147.59
6. Step 6: Final answer
   x = 932.64