Finding the Fourth Proportional to 1,326.42, 1,989.72 and 1,037.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,326.42 : 1,989.72 = 1,037.34 : x
2. Step 2: Convert to fraction form
   1,326.42/1,989.72 = 1,037.34/x
3. Step 3: Cross multiply
   1,326.42x = 1,989.72 × 1,037.34
4. Step 4: Simplify right side
   1,326.42x = 2,064,016.14
5. Step 5: Solve for x
   x = 2,064,016.14/1,326.42
6. Step 6: Final answer
   x = 1,556.08