Finding the Fourth Proportional to 1,100.50, 1,519.37 and 708.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.50 : 1,519.37 = 708.22 : x
2. Step 2: Convert to fraction form
   1,100.50/1,519.37 = 708.22/x
3. Step 3: Cross multiply
   1,100.50x = 1,519.37 × 708.22
4. Step 4: Simplify right side
   1,100.50x = 1,076,048.22
5. Step 5: Solve for x
   x = 1,076,048.22/1,100.50
6. Step 6: Final answer
   x = 977.78