Finding the Fourth Proportional to 1,136.76, 1,705.62 and 675.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.76 : 1,705.62 = 675.42 : x
2. Step 2: Convert to fraction form
   1,136.76/1,705.62 = 675.42/x
3. Step 3: Cross multiply
   1,136.76x = 1,705.62 × 675.42
4. Step 4: Simplify right side
   1,136.76x = 1,152,009.86
5. Step 5: Solve for x
   x = 1,152,009.86/1,136.76
6. Step 6: Final answer
   x = 1,013.42