Finding the Fourth Proportional to 1,148.32, 1,584.72 and 682.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148.32 : 1,584.72 = 682.48 : x
2. Step 2: Convert to fraction form
   1,148.32/1,584.72 = 682.48/x
3. Step 3: Cross multiply
   1,148.32x = 1,584.72 × 682.48
4. Step 4: Simplify right side
   1,148.32x = 1,081,539.71
5. Step 5: Solve for x
   x = 1,081,539.71/1,148.32
6. Step 6: Final answer
   x = 941.85