Finding the Fourth Proportional to 2,137.50, 3,200.90 and 1,355.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.50 : 3,200.90 = 1,355.14 : x
2. Step 2: Convert to fraction form
   2,137.50/3,200.90 = 1,355.14/x
3. Step 3: Cross multiply
   2,137.50x = 3,200.90 × 1,355.14
4. Step 4: Simplify right side
   2,137.50x = 4,337,667.63
5. Step 5: Solve for x
   x = 4,337,667.63/2,137.50
6. Step 6: Final answer
   x = 2,029.32