Finding the Fourth Proportional to 2,132.50, 2,942.86 and 1,201.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.50 : 2,942.86 = 1,201.18 : x
2. Step 2: Convert to fraction form
   2,132.50/2,942.86 = 1,201.18/x
3. Step 3: Cross multiply
   2,132.50x = 2,942.86 × 1,201.18
4. Step 4: Simplify right side
   2,132.50x = 3,534,904.57
5. Step 5: Solve for x
   x = 3,534,904.57/2,132.50
6. Step 6: Final answer
   x = 1,657.63