Finding the Fourth Proportional to 1,100.07, 1,518.53 and 745.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.07 : 1,518.53 = 745.81 : x
2. Step 2: Convert to fraction form
   1,100.07/1,518.53 = 745.81/x
3. Step 3: Cross multiply
   1,100.07x = 1,518.53 × 745.81
4. Step 4: Simplify right side
   1,100.07x = 1,132,527.33
5. Step 5: Solve for x
   x = 1,132,527.33/1,100.07
6. Step 6: Final answer
   x = 1,029.50