Finding the Fourth Proportional to 1,200.06, 1,656.20 and 676.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.06 : 1,656.20 = 676.10 : x
2. Step 2: Convert to fraction form
   1,200.06/1,656.20 = 676.10/x
3. Step 3: Cross multiply
   1,200.06x = 1,656.20 × 676.10
4. Step 4: Simplify right side
   1,200.06x = 1,119,745.16
5. Step 5: Solve for x
   x = 1,119,745.16/1,200.06
6. Step 6: Final answer
   x = 933.07