Finding the Fourth Proportional to 1,200.34, 1,656.37 and 676.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.34 : 1,656.37 = 676.50 : x
2. Step 2: Convert to fraction form
   1,200.34/1,656.37 = 676.50/x
3. Step 3: Cross multiply
   1,200.34x = 1,656.37 × 676.50
4. Step 4: Simplify right side
   1,200.34x = 1,120,534.31
5. Step 5: Solve for x
   x = 1,120,534.31/1,200.34
6. Step 6: Final answer
   x = 933.51