Finding the Fourth Proportional to 1,035.33, 1,428.52 and 657.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.33 : 1,428.52 = 657.34 : x
2. Step 2: Convert to fraction form
   1,035.33/1,428.52 = 657.34/x
3. Step 3: Cross multiply
   1,035.33x = 1,428.52 × 657.34
4. Step 4: Simplify right side
   1,035.33x = 939,023.34
5. Step 5: Solve for x
   x = 939,023.34/1,035.33
6. Step 6: Final answer
   x = 906.98