Finding the Fourth Proportional to 1,200.29, 1,656.32 and 676.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.29 : 1,656.32 = 676.35 : x
2. Step 2: Convert to fraction form
   1,200.29/1,656.32 = 676.35/x
3. Step 3: Cross multiply
   1,200.29x = 1,656.32 × 676.35
4. Step 4: Simplify right side
   1,200.29x = 1,120,248.65
5. Step 5: Solve for x
   x = 1,120,248.65/1,200.29
6. Step 6: Final answer
   x = 933.32