Finding the Fourth Proportional to 1,019.06, 1,529.37 and 745.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.06 : 1,529.37 = 745.86 : x
2. Step 2: Convert to fraction form
   1,019.06/1,529.37 = 745.86/x
3. Step 3: Cross multiply
   1,019.06x = 1,529.37 × 745.86
4. Step 4: Simplify right side
   1,019.06x = 1,140,693.04
5. Step 5: Solve for x
   x = 1,140,693.04/1,019.06
6. Step 6: Final answer
   x = 1,119.35