Finding the Fourth Proportional to 2,175.32, 3,257.40 and 1,200.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.32 : 3,257.40 = 1,200.34 : x
2. Step 2: Convert to fraction form
   2,175.32/3,257.40 = 1,200.34/x
3. Step 3: Cross multiply
   2,175.32x = 3,257.40 × 1,200.34
4. Step 4: Simplify right side
   2,175.32x = 3,909,987.52
5. Step 5: Solve for x
   x = 3,909,987.52/2,175.32
6. Step 6: Final answer
   x = 1,797.43