Finding the Fourth Proportional to 2,132.73, 3,200.31 and 1,402.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.73 : 3,200.31 = 1,402.65 : x
2. Step 2: Convert to fraction form
   2,132.73/3,200.31 = 1,402.65/x
3. Step 3: Cross multiply
   2,132.73x = 3,200.31 × 1,402.65
4. Step 4: Simplify right side
   2,132.73x = 4,488,914.82
5. Step 5: Solve for x
   x = 4,488,914.82/2,132.73
6. Step 6: Final answer
   x = 2,104.77