Finding the Fourth Proportional to 1,101.48, 1,519.83 and 708.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.48 : 1,519.83 = 708.45 : x
2. Step 2: Convert to fraction form
   1,101.48/1,519.83 = 708.45/x
3. Step 3: Cross multiply
   1,101.48x = 1,519.83 × 708.45
4. Step 4: Simplify right side
   1,101.48x = 1,076,723.56
5. Step 5: Solve for x
   x = 1,076,723.56/1,101.48
6. Step 6: Final answer
   x = 977.52