Finding the Fourth Proportional to 1,118.34, 1,675.68 and 656.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118.34 : 1,675.68 = 656.52 : x
2. Step 2: Convert to fraction form
   1,118.34/1,675.68 = 656.52/x
3. Step 3: Cross multiply
   1,118.34x = 1,675.68 × 656.52
4. Step 4: Simplify right side
   1,118.34x = 1,100,117.43
5. Step 5: Solve for x
   x = 1,100,117.43/1,118.34
6. Step 6: Final answer
   x = 983.71