Finding the Fourth Proportional to 1,200.96, 1,657.38 and 677.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.96 : 1,657.38 = 677.01 : x
2. Step 2: Convert to fraction form
   1,200.96/1,657.38 = 677.01/x
3. Step 3: Cross multiply
   1,200.96x = 1,657.38 × 677.01
4. Step 4: Simplify right side
   1,200.96x = 1,122,062.83
5. Step 5: Solve for x
   x = 1,122,062.83/1,200.96
6. Step 6: Final answer
   x = 934.30