Finding the Fourth Proportional to 2,089.52, 3,132.70 and 1,267.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.52 : 3,132.70 = 1,267.60 : x
2. Step 2: Convert to fraction form
   2,089.52/3,132.70 = 1,267.60/x
3. Step 3: Cross multiply
   2,089.52x = 3,132.70 × 1,267.60
4. Step 4: Simplify right side
   2,089.52x = 3,971,010.52
5. Step 5: Solve for x
   x = 3,971,010.52/2,089.52
6. Step 6: Final answer
   x = 1,900.44