Finding the Fourth Proportional to 1,068.73, 1,599.98 and 656.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.73 : 1,599.98 = 656.61 : x
2. Step 2: Convert to fraction form
   1,068.73/1,599.98 = 656.61/x
3. Step 3: Cross multiply
   1,068.73x = 1,599.98 × 656.61
4. Step 4: Simplify right side
   1,068.73x = 1,050,559.58
5. Step 5: Solve for x
   x = 1,050,559.58/1,068.73
6. Step 6: Final answer
   x = 983.00