Finding the Fourth Proportional to 942.84, 1,300.55 and 676.76

Step by Step Solution

1. Step 1: Write the proportion equation
   942.84 : 1,300.55 = 676.76 : x
2. Step 2: Convert to fraction form
   942.84/1,300.55 = 676.76/x
3. Step 3: Cross multiply
   942.84x = 1,300.55 × 676.76
4. Step 4: Simplify right side
   942.84x = 880,150.33
5. Step 5: Solve for x
   x = 880,150.33/942.84
6. Step 6: Final answer
   x = 933.51