Finding the Fourth Proportional to 1,300.80, 1,798.56 and 1,136.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.80 : 1,798.56 = 1,136.84 : x
2. Step 2: Convert to fraction form
   1,300.80/1,798.56 = 1,136.84/x
3. Step 3: Cross multiply
   1,300.80x = 1,798.56 × 1,136.84
4. Step 4: Simplify right side
   1,300.80x = 2,044,674.95
5. Step 5: Solve for x
   x = 2,044,674.95/1,300.80
6. Step 6: Final answer
   x = 1,571.86