Finding the Fourth Proportional to 1,092.02, 1,635.57 and 628.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.02 : 1,635.57 = 628.70 : x
2. Step 2: Convert to fraction form
   1,092.02/1,635.57 = 628.70/x
3. Step 3: Cross multiply
   1,092.02x = 1,635.57 × 628.70
4. Step 4: Simplify right side
   1,092.02x = 1,028,282.86
5. Step 5: Solve for x
   x = 1,028,282.86/1,092.02
6. Step 6: Final answer
   x = 941.63