Finding the Fourth Proportional to 1,136.25, 1,568.43 and 670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.25 : 1,568.43 = 670.50 : x
2. Step 2: Convert to fraction form
   1,136.25/1,568.43 = 670.50/x
3. Step 3: Cross multiply
   1,136.25x = 1,568.43 × 670.50
4. Step 4: Simplify right side
   1,136.25x = 1,051,632.32
5. Step 5: Solve for x
   x = 1,051,632.32/1,136.25
6. Step 6: Final answer
   x = 925.53