Finding the Fourth Proportional to 1,200.32, 1,656.52 and 676.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.32 : 1,656.52 = 676.38 : x
2. Step 2: Convert to fraction form
   1,200.32/1,656.52 = 676.38/x
3. Step 3: Cross multiply
   1,200.32x = 1,656.52 × 676.38
4. Step 4: Simplify right side
   1,200.32x = 1,120,437.00
5. Step 5: Solve for x
   x = 1,120,437.00/1,200.32
6. Step 6: Final answer
   x = 933.45