Finding the Fourth Proportional to 1,100.45, 1,518.44 and 708.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.45 : 1,518.44 = 708.01 : x
2. Step 2: Convert to fraction form
   1,100.45/1,518.44 = 708.01/x
3. Step 3: Cross multiply
   1,100.45x = 1,518.44 × 708.01
4. Step 4: Simplify right side
   1,100.45x = 1,075,063.37
5. Step 5: Solve for x
   x = 1,075,063.37/1,100.45
6. Step 6: Final answer
   x = 976.93