Finding the Fourth Proportional to 1,028.76, 1,419.12 and 734.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028.76 : 1,419.12 = 734.18 : x
2. Step 2: Convert to fraction form
   1,028.76/1,419.12 = 734.18/x
3. Step 3: Cross multiply
   1,028.76x = 1,419.12 × 734.18
4. Step 4: Simplify right side
   1,028.76x = 1,041,889.52
5. Step 5: Solve for x
   x = 1,041,889.52/1,028.76
6. Step 6: Final answer
   x = 1,012.76