Finding the Fourth Proportional to 1,340.88, 2,002.15 and 1,201.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.88 : 2,002.15 = 1,201.16 : x
2. Step 2: Convert to fraction form
   1,340.88/2,002.15 = 1,201.16/x
3. Step 3: Cross multiply
   1,340.88x = 2,002.15 × 1,201.16
4. Step 4: Simplify right side
   1,340.88x = 2,404,889.48
5. Step 5: Solve for x
   x = 2,404,889.48/1,340.88
6. Step 6: Final answer
   x = 1,793.52